Uses of Package
java.io

Contains all of the classes for creating user interfaces and for painting graphics and images.

Provides interfaces and classes for transferring data between and within applications.

Provides interfaces and classes for dealing with different types of events fired by AWT components.

Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.

Provides classes and interfaces for producing rendering-independent images.

Contains classes related to developing beans -- components based on the JavaBeans™ architecture.

Provides for system input and output through data streams, serialization and the file system.

Provides library support for the Java programming language annotation facility.

The java.lang.invoke package contains dynamic language support provided directly by the Java core class libraries and virtual machine.

Provides classes and interfaces for obtaining reflective information about classes and objects.

Provides the classes for implementing networking applications.

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.

Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.

Interfaces and classes providing access to file and file system attributes.

Provides the RMI package.

Provides classes and interface for RMI distributed garbage-collection (DGC).

Provides the classes and interfaces for the security framework.

Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.

Provides classes and interfaces for key specifications and algorithm parameter specifications.

Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.

Generic API for calendar systems other than the default ISO.

Access to date and time using fields and units, and date time adjusters.

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).

A small toolkit of classes that support lock-free thread-safe programming on single variables.

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.

This package allows applications to store and retrieve user and system preference and configuration data.

Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.

Defines a contract between user-interface components and an assistive technology that provides access to those components.

Contains Activity service related exceptions thrown by the ORB machinery during unmarshalling.

Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment.

Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3.

The main package of the Java Image I/O API.

A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.

Classes and hierarchies of packages used to model the Java programming language.

Interfaces used to model Java programming language types.

Provides the core classes for the Java Management Extensions.

Provides the definition of the ModelMBean classes.

Provides the open data types and Open MBean descriptor classes.

Interfaces for remote access to JMX MBean servers.

Provides the definition of the Timer MBean.

Extends the javax.naming package to provide functionality for accessing directory services.

Provides support for LDAPv3 extended operations and controls.

Provides classes for networking applications.

Provides the principal classes and interfaces for the Java ^TM Print Service API.

Package javax.print.attribute.standard contains classes for specific printing attributes.

Contains portability APIs for RMI-IIOP.

The scripting API consists of interfaces and classes that define Java ^TM Scripting Engines and provides a framework for their use in Java applications.

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).

This package provides a pluggable authentication framework.

Provides classes for public key certificates.

Java™ Smart Card I/O API

Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.

Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.

Standard interfaces and base classes for JDBC RowSet implementations.

The standard classes and interfaces that a third party vendor has to use in its implementation of a synchronization provider.

Provides classes and interface for drawing specialized borders around a Swing component.

Provides for events fired by Swing components.

Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.

Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.

Provides user interface objects built according to the cross-platform Nimbus look and feel.

Provides classes and interfaces for dealing with javax.swing.JTable.

Provides the class HTMLEditorKit and supporting classes for creating HTML text editors.

Provides a class ( RTFEditorKit) for creating Rich-Text-Format text editors.

Allows developers to provide support for undo/redo in applications such as text editors.

Contains three exceptions thrown by the ORB machinery during unmarshalling.

Provides a runtime binding framework for client applications including unmarshalling, marshalling, and validation capabilities.

JAXB Provider Use Only: Provides partial default implementations for some of the javax.xml.bind interfaces.

Classes for generating and validating XML digital signatures.

XML Namespace processing.

Provides the API for creating and building SOAP messages.

This package implements stream- and URI- specific transformation APIs.

This package contains the core JAX-WS APIs.

This package defines APIs specific to the HTTP binding.

Provides HTTP SPI that is used for portable deployment of JAX-WS web services in containers(for e.g.

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.

Provides the exceptions used with the DynAny interface ( InvalidValue, Invalid, InvalidSeq, and TypeMismatch).

Provides the user-defined exceptions BadKind and Bounds, which are thrown by methods in in the class TypeCode.

Provides methods for the input and output of value types, and contains other updates to the org/omg/CORBA/portable package.

This package contains the following classes, which are used in org.omg.CosNaming.NamingContextExt:

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.

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.

This package is generated from the IOP::Codec IDL interface definition.

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.

Provides method implementations with access to the identity of the object on which the method was invoked.

Allows programmers to construct object implementations that are portable between different ORB products.

Contains RMI-IIOP Stubs for the Remote types that occur in the java.rmi package.

Document Object Model Level 2 Traversal and Range is a platform and language-neutral interfaces that allow programs and scripts to dynamically traverse and identify a range of content in a document.

This package contains interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support.