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## Uses of Package
java.lang

Packages that use 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 Java Beans development.
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.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.
java.security.spec | Provides classes and interfaces for key specifications and algorithm parameter specifications.
java.sql | Provides the API for accessing and processing data in a data source 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).
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.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.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.rmi | Contains user APIs for RMI-IIOP.
javax.rmi.CORBA | Contains portability APIs for RMI-IIOP.
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.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 ``metal'' look-and-feel.
javax.swing.plaf.multi | The multiplexing look and feel allows users to combine auxiliary look and feels with the default look and feel.
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 | Provides support for undo/redo capabilities in an application such as a text editor.
javax.transaction | Contains three exceptions thrown by the ORB machinery during unmarshalling.
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_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.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.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.TypeCodePackage | Provides the user-defined exceptions `BadKind` and `Bounds`, which are thrown by methods in in the class `TypeCode`.
org.omg.CosNaming | Provides the naming service for Java IDL.
org.omg.CosNaming.NamingContextPackage | Provides the exceptions used in the package `org.omg.CosNaming` (`AlreadyBound`, `CannotProceed`, `InvalidName`, `NotEmpty`, and `NotFound`) and also the `Helper` and `Holder` classes for those exceptions.
org.omg.stub.java.rmi | Contains RMI-IIOP Stubs for the Remote types that occur in the `java.rmi` package.

Classes in java.lang used by java.applet
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by java.awt
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 `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.
String The `String` class represents character strings.
Throwable The `Throwable` class is the superclass of all errors and exceptions in the Java language.

Classes in java.lang used by java.awt.color
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.

Classes in java.lang used by java.awt.datatransfer
Class Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader The class `ClassLoader` is an abstract class.
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.

Classes in java.lang used by java.awt.dnd
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.

Classes in java.lang used by java.awt.event
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.

Classes in java.lang used by java.awt.font
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.

Classes in java.lang used by java.awt.geom
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.

Classes in java.lang used by java.awt.im
Character.Subset Instances of this class represent particular subsets of the Unicode character set.
Object Class `Object` is the root of the class hierarchy.

Classes in java.lang used by java.awt.im.spi
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.

Classes in java.lang used by java.awt.image
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.

Classes in java.lang used by java.awt.image.renderable
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.

Classes in java.lang used by java.awt.print
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.

Classes in java.lang used by java.beans
Class Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader The class `ClassLoader` is an abstract class.
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.

Classes in java.lang used by java.beans.beancontext
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.

Classes in java.lang used by java.io
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.
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.
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.

Classes in java.lang used by java.lang
Boolean The Boolean class wraps a value of the primitive type `boolean` in an object.
Byte The Byte class is the standard wrapper for byte values.
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 defined by the Unicode 2.0 specification.
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 The class `ClassLoader` is an abstract class.
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 Thrown when an application tries to load in a class, but the currently executing method does not have access to the definition of the specified class, because the class is not public and in another package.
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 `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 is the standard wrapper for short values.
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 ThreadLocal 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.

Classes in java.lang used by java.lang.ref
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.

Classes in java.lang used by java.lang.reflect
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 The class `ClassLoader` is an abstract class.
Exception The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
IllegalAccessException Thrown when an application tries to load in a class, but the currently executing method does not have access to the definition of the specified class, because the class is not public and in another package.
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.

Classes in java.lang used by java.math
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 `Byte`, `Double`, `Float`, `Integer`, `Long`, and `Short`.
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by java.net
Class Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader The class `ClassLoader` is an abstract class.
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.
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.

Classes in java.lang used by java.rmi
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.

Classes in java.lang used by java.rmi.activation
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.

Classes in java.lang used by java.rmi.dgc
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by java.rmi.registry
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by java.rmi.server
Class Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader The class `ClassLoader` is an abstract class.
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.

Classes in java.lang used by java.security
Class Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassLoader The class `ClassLoader` is an abstract class.
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.

Classes in java.lang used by java.security.acl
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.

Classes in java.lang used by java.security.cert
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.

Classes in java.lang used by java.security.spec
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.

Classes in java.lang used by java.sql
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.

Classes in java.lang used by java.text
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 `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.

Classes in java.lang used by java.util
ClassLoader The class `ClassLoader` is an abstract 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.
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.

Classes in java.lang used by java.util.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.
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.

Classes in java.lang used by java.util.zip
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.

Classes in java.lang used by javax.accessibility
Number The abstract class `Number` is the superclass of classes `Byte`, `Double`, `Float`, `Integer`, `Long`, and `Short`.
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by javax.naming
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.

Classes in java.lang used by javax.naming.directory
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.

Classes in java.lang used by javax.naming.event
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by javax.naming.ldap
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.

Classes in java.lang used by javax.naming.spi
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.

Classes in java.lang used by javax.rmi
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.

Classes in java.lang used by javax.rmi.CORBA
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 The class `ClassLoader` is an abstract class.
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.

Classes in java.lang used by javax.sound.midi
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.

Classes in java.lang used by javax.sound.midi.spi
Object Class `Object` is the root of the class hierarchy.

Classes in java.lang used by javax.sound.sampled
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.

Classes in java.lang used by javax.sound.sampled.spi
Object Class `Object` is the root of the class hierarchy.

Classes in java.lang used by javax.swing
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 The class `ClassLoader` is an abstract class.
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.
IllegalAccessException Thrown when an application tries to load in a class, but the currently executing method does not have access to the definition of the specified class, because the class is not public and in another package.
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 `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.

Classes in java.lang used by javax.swing.border
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by javax.swing.colorchooser
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by javax.swing.event
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.

Classes in java.lang used by javax.swing.filechooser
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.

Classes in java.lang used by javax.swing.plaf
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.

Classes in java.lang used by javax.swing.plaf.basic
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.

Classes in java.lang used by javax.swing.plaf.metal
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.

Classes in java.lang used by javax.swing.plaf.multi
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by javax.swing.table
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.

Classes in java.lang used by javax.swing.text
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.
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.

Classes in java.lang used by javax.swing.text.html
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.

Classes in java.lang used by javax.swing.text.html.parser
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.

Classes in java.lang used by javax.swing.text.rtf
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.

Classes in java.lang used by javax.swing.tree
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.

Classes in java.lang used by javax.swing.undo
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.

Classes in java.lang used by javax.transaction
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.

Classes in java.lang used by org.omg.CORBA
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.

Classes in java.lang used by org.omg.CORBA_2_3.portable
Class Instances of the class `Class` represent classes and interfaces in a running Java application.

Classes in java.lang used by org.omg.CORBA.DynAnyPackage
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.

Classes in java.lang used by org.omg.CORBA.ORBPackage
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.

Classes in java.lang used by org.omg.CORBA.portable
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.

Classes in java.lang used by org.omg.CORBA.TypeCodePackage
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.

Classes in java.lang used by org.omg.CosNaming
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

Classes in java.lang used by org.omg.CosNaming.NamingContextPackage
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.

Classes in java.lang used by org.omg.stub.java.rmi
Object Class `Object` is the root of the class hierarchy.
String The `String` class represents character strings.

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