Uses of Package
java.lang

 

java.applet Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.color Provides classes for color spaces.
java.awt.datatransfer Provides interfaces and classes for transferring data between and within applications.
java.awt.dnd Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.event Provides interfaces and classes for dealing with different types of events fired by AWT components.
java.awt.font Provides classes and interface relating to fonts.
java.awt.geom Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
java.awt.im Provides classes and interfaces for the input method framework.
java.awt.im.spi Provides interfaces that enable the development of input methods that can be used with any Java runtime environment.
java.awt.image Provides classes for creating and modifying images.
java.awt.image.renderable Provides classes and interfaces for producing rendering-independent images.
java.awt.print Provides classes and interfaces for a general printing API.
java.beans Contains classes related to developing beans -- components based on the JavaBeansTM architecture.
java.beans.beancontext Provides classes and interfaces relating to bean context.
java.io Provides for system input and output through data streams, serialization and the file system.
java.lang Provides classes that are fundamental to the design of the Java programming language.
java.lang.ref Provides reference-object classes, which support a limited degree of interaction with the garbage collector.
java.lang.reflect Provides classes and interfaces for obtaining reflective information about classes and objects.
java.math Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal).
java.net Provides the classes for implementing networking applications.
java.nio Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.nio.channels Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.channels.spi
java.nio.charset Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.charset.spi
java.rmi Provides the RMI package.
java.rmi.activation Provides support for RMI Object Activation.
java.rmi.dgc Provides classes and interface for RMI distributed garbage-collection (DGC).
java.rmi.registry Provides a class and two interfaces for the RMI registry.
java.rmi.server Provides classes and interfaces for supporting the server side of RMI.
java.security Provides the classes and interfaces for the security framework.
java.security.acl The classes and interfaces in this package have been superseded by classes in the java.security package.
java.security.cert Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.security.spec Provides classes and interfaces for key specifications and algorithm parameter specifications.
java.sql Provides the API for accessing and processing data stored in a data source (usually a relational database) using the JavaTM programming language.
java.text Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
java.util Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
jar">java.util.jar Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.logging Provides the classes and interfaces of the JavaTM 2 platform's core logging facilities.
java.util.prefs This package allows applications to store and retrieve user and system preference and configuration data.
java.util.regex Classes for matching character sequences against patterns specified by regular expressions.
java.util.zip Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.accessibility Defines a contract between user-interface components and an assistive technology that provides access to those components.
javax.crypto Provides the classes and interfaces for cryptographic operations.
javax.crypto.spec Provides classes and interfaces for key specifications and algorithm parameter specifications.
javax.imageio The main package of the Java Image I/O API.
javax.imageio.event A package of the Java Image I/O API dealing with synchronous notification of events during the reading and writing of images.
javax.imageio.metadata A package of the Java Image I/O API dealing with reading and writing metadata.
javax.imageio.plugins.jpeg Classes supporting the built-in JPEG plug-in.
javax.imageio.spi A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
javax.imageio.stream A package of the Java Image I/O API dealing with low-level I/O from files and streams.
javax.naming Provides the classes and interfaces for accessing naming services.
javax.naming.directory Extends the javax.naming package to provide functionality for accessing directory services.
javax.naming.event Provides support for event notification when accessing naming and directory services.
javax.naming.ldap Provides support for LDAPv3 extended operations and controls.
javax.naming.spi Provides the means for dynamically plugging in support for accessing naming and directory services through the javax.naming and related packages.
javax.net Provides classes for networking applications.
javax.net.ssl Provides classes for the secure socket package.
javax.print Provides the principal classes and interfaces for the JavaTM Print Service API.
javax.print.attribute Provides classes and interfaces that describe the types of JavaTM Print Service attributes and how they can be collected into attribute sets.
javax.print.attribute.standard Package javax.print.attribute.standard contains classes for specific printing attributes.
javax.print.event Package javax.print.event contains event classes and listener interfaces.
javax.rmi Contains user APIs for RMI-IIOP.
javax.rmi.CORBA Contains portability APIs for RMI-IIOP.
javax.security.auth This package provides a framework for authentication and authorization.
javax.security.auth.callback This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).
javax.security.auth.kerberos This package contains utility classes related to the Kerberos network authentication protocol.
javax.security.auth.login This package provides a pluggable authentication framework.
javax.security.auth.x500 This package contains the classes that should be used to store X500 Principal and X500 Private Crendentials in a Subject.
javax.security.cert Provides classes for public key certificates.
javax.sound.midi Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
javax.sound.midi.spi Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
javax.sound.sampled Provides interfaces and classes for capture, processing, and playback of sampled audio data.
javax.sound.sampled.spi Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
javax.sql Provides the API for server side data source access and processing from the JavaTM programming language.
javax.swing Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.border Provides classes and interface for drawing specialized borders around a Swing component.
javax.swing.colorchooser Contains classes and interfaces used by the JColorChooser component.
javax.swing.event Provides for events fired by Swing components.
javax.swing.filechooser Contains classes and interfaces used by the JFileChooser component.
javax.swing.plaf Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
javax.swing.plaf.basic Provides user interface objects built according to the Basic look and feel.
javax.swing.plaf.metal Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.
javax.swing.plaf.multi Provides user interface objects that combine two or more look and feels.
javax.swing.table Provides classes and interfaces for dealing with javax.swing.JTable.
javax.swing.text Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.html Provides the class HTMLEditorKit and supporting classes for creating HTML text editors.
javax.swing.text.html.parser Provides the default HTML parser, along with support classes.
javax.swing.text.rtf Provides a class (RTFEditorKit) for creating Rich-Text-Format text editors.
javax.swing.tree Provides classes and interfaces for dealing with javax.swing.JTree.
javax.swing.undo Allows developers to provide support for undo/redo in applications such as text editors.
javax.transaction Contains three exceptions thrown by the ORB machinery during unmarshalling.
javax.transaction.xa Provides the API that defines the contract between the transaction manager and the resource manager, which allows the transaction manager to enlist and delist resource objects (supplied by the resource manager driver) in JTA transactions.
javax.xml.parsers Provides classes allowing the processing of XML documents.
javax.xml.transform This package defines the generic APIs for processing transformation instructions, and performing a transformation from source to result.
javax.xml.transform.dom This package implements DOM-specific transformation APIs.
javax.xml.transform.sax This package implements SAX2-specific transformation APIs.
javax.xml.transform.stream This package implements stream- and URI- specific transformation APIs.
org.ietf.jgss This package presents a framework that allows application developers to make use of security services like authentication, data integrity and data confidentiality from a variety of underlying security mechanisms like Kerberos, using a unified API.
org.omg.CORBA Provides the mapping of the OMG CORBA APIs to the JavaTM programming language, including the class ORB, which is implemented so that a programmer can use it as a fully-functional Object Request Broker (ORB).
org.omg.CORBA.DynAnyPackage Provides the exceptions used with the DynAny interface (InvalidValue, Invalid, InvalidSeq, and TypeMismatch).
org.omg.CORBA.ORBPackage Provides the exception InvalidName, which is thrown by the method ORB.resolve_initial_references and the exception InconsistentTypeCode, which is thrown by the Dynamic Any creation methods in the ORB class.
org.omg.CORBA.TypeCodePackage Provides the user-defined exceptions BadKind and Bounds, which are thrown by methods in in the class TypeCode.
org.omg.CORBA.portable Provides a portability layer, that is, a set of ORB APIs that makes it possible for code generated by one vendor to run on another vendor's ORB.
org.omg.CORBA_2_3.portable Provides methods for the input and output of value types, and contains other updates to the org/omg/CORBA/portable package.
org.omg.CosNaming Provides a naming service for Java IDL.
org.omg.CosNaming.NamingContextExtPackage This package contains the following classes, which are used in org.omg.CosNaming.NamingContextExt:
org.omg.CosNaming.NamingContextPackage This package contains Exception classes for the org.omg.CosNaming package.
org.omg.Dynamic This package contains the Dynamic module specified in the OMG Portable Interceptor specification, http://cgi.omg.org/cgi-bin/doc?ptc/2000-08-06, section 21.9.
org.omg.DynamicAny Provides classes and interfaces that enable traversal of the data value associated with an any at runtime, and extraction of the primitive constituents of the data value.
org.omg.DynamicAny.DynAnyFactoryPackage This package contains classes and exceptions from the DynAnyFactory interface of the DynamicAny module specified in the OMG The Common Object Request Broker: Architecture and Specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07, section 9.2.2.
org.omg.DynamicAny.DynAnyPackage This package contains classes and exceptions from the DynAny interface of the DynamicAny module specified in the OMG The Common Object Request Broker: Architecture and Specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07, section 9.2.
org.omg.IOP This package contains the IOP module specified in the OMG document The Common Object Request Broker: Architecture and Specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07, section 13.6.
org.omg.IOP.CodecFactoryPackage This package contains the exceptions specified in the IOP::CodeFactory interface (as part of the Portable Interceptors spec).
org.omg.IOP.CodecPackage This package is generated from the IOP::Codec IDL interface definition.
org.omg.Messaging This package contains the Messaging module specified in the OMG CORBA Messaging specification, http://cgi.omg.org/cgi-bin/doc?formal/99-10-07.
org.omg.PortableInterceptor Provides a mechanism to register ORB hooks through which ORB services can intercept the normal flow of execution of the ORB.
org.omg.PortableInterceptor.ORBInitInfoPackage This package contains the exceptions and typedefs from the ORBInitInfo local interface of the PortableInterceptor module specified in the OMG Portable Interceptor specification, http://cgi.omg.org/cgi-bin/doc?ptc/2000-08-06, section 21.7.2.
org.omg.PortableServer Provides classes and interfaces for making the server side of your applications portable across multivendor ORBs.
org.omg.PortableServer.CurrentPackage Provides method implementations with access to the identity of the object on which the method was invoked.
org.omg.PortableServer.POAManagerPackage Encapsulates the processing state of the POAs it is associated with.
org.omg.PortableServer.POAPackage Allows programmers to construct object implementations that are portable between different ORB products.
org.omg.PortableServer.ServantLocatorPackage Provides classes and interfaces for locating the servant.
org.omg.stub.java.rmi Contains RMI-IIOP Stubs for the Remote types that occur in the java.rmi package.
org.w3c.dom Provides the interfaces for the Document Object Model (DOM) which is a component API of the Java API for XML Processing.
org.xml.sax Provides the classes and interfaces for the Simple API for XML (SAX) which is a component of the Java API for XML Processing.
org.xml.sax.ext Provides extension classes and interfaces for the Simple API for XML (SAX) which is a component of the Java API for XML Processing.
org.xml.sax.helpers Provides helper classes for the Simple API for XML (SAX) which is a component of the Java API for XML Processing.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Character
    The Character class wraps a value of the primitive type char in an object.
Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
IndexOutOfBoundsException
    Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise paused for a long time and another thread interrupts it using the interrupt method in class Thread.
Number
    The abstract class Number is the superclass of classes BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, and Short.
NumberFormatException
    Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.
Object
    Class Object is the root of the class hierarchy.
Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
SecurityException
    Thrown by the security manager to indicate a security violation.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassLoader
    A class loader is an object that is responsible for loading classes.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
String
    The String class represents character strings.
 

 

Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Float
    The Float class wraps a value of primitive type float in an object.
Integer
    The Integer class wraps a value of the primitive type int in an object.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Character.Subset
    Instances of this class represent particular subsets of the Unicode character set.
Object
    Class Object is the root of the class hierarchy.
 

 

Character.Subset
    Instances of this class represent particular subsets of the Unicode character set.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise paused for a long time and another thread interrupts it using the interrupt method in class Thread.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Object
    Class Object is the root of the class hierarchy.
Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
String
    The String class represents character strings.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IndexOutOfBoundsException
    Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
NullPointerException
    Thrown when an application attempts to use null in a case where an object is required.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassLoader
    A class loader is an object that is responsible for loading classes.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
SecurityException
    Thrown by the security manager to indicate a security violation.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
SecurityException
    Thrown by the security manager to indicate a security violation.
String
    The String class represents character strings.
StringBuffer
    A string buffer implements a mutable sequence of characters.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
Byte
    The Byte class wraps a value of primitive type byte in an object.
Character
    The Character class wraps a value of the primitive type char in an object.
Character.Subset
    Instances of this class represent particular subsets of the Unicode character set.
Character.UnicodeBlock
    A family of character subsets representing the character blocks in the Unicode specification.
CharSequence
    A CharSequence is a readable sequence of characters.
Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassFormatError
    Thrown when the Java Virtual Machine attempts to read a class file and determines that the file is malformed or otherwise cannot be interpreted as a class file.
ClassLoader
    A class loader is an object that is responsible for loading classes.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Double
    The Double class wraps a value of the primitive type double in an object.
Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Float
    The Float class wraps a value of primitive type float in an object.
IllegalAccessException
    An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IncompatibleClassChangeError
    Thrown when an incompatible class change has occurred to some class definition.
IndexOutOfBoundsException
    Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
InstantiationException
    Thrown when an application tries to create an instance of a class using the newInstance method in class Class, but the specified class object cannot be instantiated because it is an interface or is an abstract class.
Integer
    The Integer class wraps a value of the primitive type int in an object.
InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise paused for a long time and another thread interrupts it using the interrupt method in class Thread.
LinkageError
    Subclasses of LinkageError indicate that a class has some dependency on another class; however, the latter class has incompatibly changed after the compilation of the former class.
Long
    The Long class wraps a value of the primitive type long in an object.
NoSuchFieldException
    Signals that the class doesn't have a field of a specified name.
NoSuchMethodException
    Thrown when a particular method cannot be found.
Number
    The abstract class Number is the superclass of classes BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, and Short.
NumberFormatException
    Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.
Object
    Class Object is the root of the class hierarchy.
Package
    Package objects contain version information about the implementation and specification of a Java package.
Process
    The Runtime.exec methods create a native process and return an instance of a subclass of Process that can be used to control the process and obtain information about it.
Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
Runtime
    Every Java application has a single instance of class Runtime that allows the application to interface with the environment in which the application is running.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
SecurityException
    Thrown by the security manager to indicate a security violation.
SecurityManager
    The security manager is a class that allows applications to implement a security policy.
Short
    The Short class wraps a value of primitive type short in an object.
StackTraceElement
    An element in a stack trace, as returned by Throwable.getStackTrace().
String
    The String class represents character strings.
StringBuffer
    A string buffer implements a mutable sequence of characters.
Thread
    A thread is a thread of execution in a program.
ThreadGroup
    A thread group represents a set of threads.
ThreadLocal
    This class provides thread-local variables.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
VirtualMachineError
    Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating.
 

 

IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise paused for a long time and another thread interrupts it using the interrupt method in class Thread.
Object
    Class Object is the root of the class hierarchy.
 

 

ArrayIndexOutOfBoundsException
    Thrown to indicate that an array has been accessed with an illegal index.
Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassLoader
    A class loader is an object that is responsible for loading classes.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalAccessException
    An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
InstantiationException
    Thrown when an application tries to create an instance of a class using the newInstance method in class Class, but the specified class object cannot be instantiated because it is an interface or is an abstract class.
NegativeArraySizeException
    Thrown if an application tries to create an array with negative size.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
SecurityException
    Thrown by the security manager to indicate a security violation.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Number
    The abstract class Number is the superclass of classes BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, and Short.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassLoader
    A class loader is an object that is responsible for loading classes.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
Package
    Package objects contain version information about the implementation and specification of a Java package.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

CharSequence
    A CharSequence is a readable sequence of characters.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
 

 

CharSequence
    A CharSequence is a readable sequence of characters.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
SecurityException
    Thrown by the security manager to indicate a security violation.
SecurityManager
    The security manager is a class that allows applications to implement a security policy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassLoader
    A class loader is an object that is responsible for loading classes.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
SecurityException
    Thrown by the security manager to indicate a security violation.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassLoader
    A class loader is an object that is responsible for loading classes.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
SecurityException
    Thrown by the security manager to indicate a security violation.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Number
    The abstract class Number is the superclass of classes BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, and Short.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
StringBuffer
    A string buffer implements a mutable sequence of characters.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

ClassLoader
    A class loader is an object that is responsible for loading classes.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

jar">

 

jar">Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
jar">Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
jar">Object
    Class Object is the root of the class hierarchy.
jar">String
    The String class represents character strings.
jar">Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
SecurityException
    Thrown by the security manager to indicate a security violation.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

CharSequence
    A CharSequence is a readable sequence of characters.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
StringBuffer
    A string buffer implements a mutable sequence of characters.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Number
    The abstract class Number is the superclass of classes BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, and Short.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalStateException
    Signals that a method has been invoked at an illegal or inappropriate time.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
UnsupportedOperationException
    Thrown to indicate that the requested operation is not supported.
 

 

String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassLoader
    A class loader is an object that is responsible for loading classes.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassCastException
    Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
Object
    Class Object is the root of the class hierarchy.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassCastException
    Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
ClassLoader
    A class loader is an object that is responsible for loading classes.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

ArrayIndexOutOfBoundsException
    Thrown to indicate that an array has been accessed with an illegal index.
Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
Character
    The Character class wraps a value of the primitive type char in an object.
Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassLoader
    A class loader is an object that is responsible for loading classes.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalAccessException
    An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
InstantiationException
    Thrown when an application tries to create an instance of a class using the newInstance method in class Class, but the specified class object cannot be instantiated because it is an interface or is an abstract class.
Integer
    The Integer class wraps a value of the primitive type int in an object.
InterruptedException
    Thrown when a thread is waiting, sleeping, or otherwise paused for a long time and another thread interrupts it using the interrupt method in class Thread.
Number
    The abstract class Number is the superclass of classes BigDecimal, BigInteger, Byte, Double, Float, Integer, Long, and Short.
Object
    Class Object is the root of the class hierarchy.
Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
SecurityException
    Thrown by the security manager to indicate a security violation.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Boolean
    The Boolean class wraps a value of the primitive type boolean in an object.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
Comparable
    This interface imposes a total ordering on the objects of each class that implements it.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
Runnable
    The Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
String
    The String class represents character strings.
Thread
    A thread is a thread of execution in a program.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
StringBuffer
    A string buffer implements a mutable sequence of characters.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException
    Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Error
    An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

IllegalArgumentException
    Thrown to indicate that a method has been passed an illegal or inappropriate argument.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Cloneable
    A class implements the Cloneable interface to indicate to the Object.clone() method that it is legal for that method to make a field-for-field copy of instances of that class.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Class
    Instances of the class Class represent classes and interfaces in a running Java application.
Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Object
    Class Object is the root of the class hierarchy.
 

 

Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
RuntimeException
    RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

Exception
    The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.
Throwable
    The Throwable class is the superclass of all errors and exceptions in the Java language.
 

 

String
    The String class represents character strings.
 

 

ClassCastException
    Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
ClassNotFoundException
    Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
IllegalAccessException
    An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
InstantiationException
    Thrown when an application tries to create an instance of a class using the newInstance method in class Class, but the specified class object cannot be instantiated because it is an interface or is an abstract class.
NullPointerException
    Thrown when an application attempts to use null in a case where an object is required.
Object
    Class Object is the root of the class hierarchy.
String
    The String class represents character strings.