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 arbitraryprecision 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 Service-provider classes for the java.nio.channels package.
java.nio.charset Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.charset.spi Service-provider classes for the java.nio.charset package.
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.interfaces Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
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).
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.interfaces Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS#3.
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.spi This package provides the interface to be used for implementing pluggable authentication modules.
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 inte rfaces 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-andfeel 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 ormore 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 withjavax.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 URIspecific transformation APIs.
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 arbitraryprecision 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 Service-provider classes for the java.nio.channels package.
java.nio.charset Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.charset.spi Service-provider classes for the java.nio.charset package.
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.interfaces Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
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).
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.interfaces Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS#3.
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.spi This package provides the interface to be used for implementing pluggable authentication modules.
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 inte rfaces 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-andfeel 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 ormore 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 withjavax.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 URIspecific transformation APIs.
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