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<!DOCTYPE HTML>
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<!-- Generated by javadoc -->
<title>All Packages (Java SE 12 & JDK 12 )</title>
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<h1 title="All&nbsp;Packages" class="title">All Packages</h1>
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<div class="packagesSummary">
<table>
<caption><span>Package Summary</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.jartool/com/sun/jarsigner/package-summary.html">com.sun.jarsigner</a></th>
<td class="colLast">
<div class="block">This package comprises the interfaces and classes used to define the
signing mechanism used by the <code>jarsigner</code> tool.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.accessibility/com/sun/java/accessibility/util/package-summary.html">com.sun.java.accessibility.util</a></th>
<td class="colLast">
<div class="block">Provides a collection of interfaces and classes that compose the Java Accessibility
Utilities.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.javadoc/com/sun/javadoc/package-summary.html">com.sun.javadoc</a></th>
<td class="colLast">
<div class="block">
<b>Note:</b> The declarations in this package have been superseded by those
in the package <a href="jdk.javadoc/jdk/javadoc/doclet/package-summary.html"><code>jdk.javadoc.doclet</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.jdi/com/sun/jdi/package-summary.html">com.sun.jdi</a></th>
<td class="colLast">
<div class="block">This is the core package of the Java Debug
Interface (JDI), it defines mirrors for values, types, and the target
VirtualMachine itself - as well bootstrapping facilities.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.jdi/com/sun/jdi/connect/package-summary.html">com.sun.jdi.connect</a></th>
<td class="colLast">
<div class="block">This package defines connections between the virtual machine
using the JDI and the target virtual machine.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.jdi/com/sun/jdi/connect/spi/package-summary.html">com.sun.jdi.connect.spi</a></th>
<td class="colLast">
<div class="block">This package comprises the interfaces and classes used to
develop new <a href="jdk.jdi/com/sun/jdi/connect/spi/TransportService.html" title="class in com.sun.jdi.connect.spi"><code>TransportService</code></a>
implementations.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.jdi/com/sun/jdi/event/package-summary.html">com.sun.jdi.event</a></th>
<td class="colLast">
<div class="block">This package defines JDI events and event processing.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.jdi/com/sun/jdi/request/package-summary.html">com.sun.jdi.request</a></th>
<td class="colLast">
<div class="block">This package is used to request that a JDI
event be sent under specified conditions.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.management/com/sun/management/package-summary.html">com.sun.management</a></th>
<td class="colLast">
<div class="block">This package contains the JDK's extension to
the standard implementation of the
<a href="java.management/java/lang/management/package-summary.html"><code>java.lang.management</code></a> API and also defines the management
interface for some other components of the platform.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.httpserver/com/sun/net/httpserver/package-summary.html">com.sun.net.httpserver</a></th>
<td class="colLast">
<div class="block">Provides a simple high-level Http server API, which can be used to build
embedded HTTP servers.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.httpserver/com/sun/net/httpserver/spi/package-summary.html">com.sun.net.httpserver.spi</a></th>
<td class="colLast">
<div class="block">Provides a pluggable service provider interface, which allows the HTTP server
implementation to be replaced with other implementations.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.sctp/com/sun/nio/sctp/package-summary.html">com.sun.nio.sctp</a></th>
<td class="colLast">
<div class="block">A Java API for Stream Control Transport Protocol.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.security.auth/com/sun/security/auth/package-summary.html">com.sun.security.auth</a></th>
<td class="colLast">
<div class="block">Provides implementations of <a href="java.base/java/security/Principal.html" title="interface in java.security"><code>Principal</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.security.auth/com/sun/security/auth/callback/package-summary.html">com.sun.security.auth.callback</a></th>
<td class="colLast">
<div class="block">Provides an implementation of
<a href="java.base/javax/security/auth/callback/CallbackHandler.html" title="interface in javax.security.auth.callback"><code>CallbackHandler</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.security.auth/com/sun/security/auth/login/package-summary.html">com.sun.security.auth.login</a></th>
<td class="colLast">
<div class="block">Provides an implementation of <a href="java.base/javax/security/auth/login/Configuration.html" title="class in javax.security.auth.login"><code>Configuration</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.security.auth/com/sun/security/auth/module/package-summary.html">com.sun.security.auth.module</a></th>
<td class="colLast">
<div class="block">Provides implementations of <a href="java.base/javax/security/auth/spi/LoginModule.html" title="interface in javax.security.auth.spi"><code>LoginModule</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.security.jgss/com/sun/security/jgss/package-summary.html">com.sun.security.jgss</a></th>
<td class="colLast">
<div class="block">This package defines classes and interfaces for the JDK extensions
to the GSS-API.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.compiler/com/sun/source/doctree/package-summary.html">com.sun.source.doctree</a></th>
<td class="colLast">
<div class="block">Provides interfaces to represent documentation comments as abstract syntax
trees (AST).</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.compiler/com/sun/source/tree/package-summary.html">com.sun.source.tree</a></th>
<td class="colLast">
<div class="block">Provides interfaces to represent source code as abstract syntax
trees (AST).</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.compiler/com/sun/source/util/package-summary.html">com.sun.source.util</a></th>
<td class="colLast">
<div class="block">Provides utilities for operations on abstract syntax trees (AST).</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.attach/com/sun/tools/attach/package-summary.html">com.sun.tools.attach</a></th>
<td class="colLast">
<div class="block">Provides the API to attach to a Java™ virtual machine.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.attach/com/sun/tools/attach/spi/package-summary.html">com.sun.tools.attach.spi</a></th>
<td class="colLast">
<div class="block">Only developers who are defining new attach providers should need to make
direct use of this package.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.compiler/com/sun/tools/javac/package-summary.html">com.sun.tools.javac</a></th>
<td class="colLast">
<div class="block">This package provides a legacy entry point for the <em>javac</em> tool.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="jdk.javadoc/com/sun/tools/javadoc/package-summary.html">com.sun.tools.javadoc</a></th>
<td class="colLast">
<div class="block">This package and its contents are deprecated and
may be removed in a future release.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="jdk.jconsole/com/sun/tools/jconsole/package-summary.html">com.sun.tools.jconsole</a></th>
<td class="colLast">
<div class="block">This package contains the JConsole API.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/applet/package-summary.html">java.applet</a></th>
<td class="colLast">
<div class="block">Provides the classes necessary to create an applet and the classes an applet
uses to communicate with its applet context.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/package-summary.html">java.awt</a></th>
<td class="colLast">
<div class="block">Contains all of the classes for creating user interfaces and for painting
graphics and images.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/color/package-summary.html">java.awt.color</a></th>
<td class="colLast">
<div class="block">Provides classes for color spaces.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.datatransfer/java/awt/datatransfer/package-summary.html">java.awt.datatransfer</a></th>
<td class="colLast">
<div class="block">Provides interfaces and classes for transferring data between and within
applications.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/desktop/package-summary.html">java.awt.desktop</a></th>
<td class="colLast">
<div class="block">Provides interfaces and classes for interaction with various desktop
capabilities.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/dnd/package-summary.html">java.awt.dnd</a></th>
<td class="colLast">
<div class="block">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.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/event/package-summary.html">java.awt.event</a></th>
<td class="colLast">
<div class="block">Provides interfaces and classes for dealing with different types of events
fired by AWT components.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/font/package-summary.html">java.awt.font</a></th>
<td class="colLast">
<div class="block">Provides classes and interface relating to fonts.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/geom/package-summary.html">java.awt.geom</a></th>
<td class="colLast">
<div class="block">Provides the Java 2D classes for defining and performing operations on
objects related to two-dimensional geometry.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/im/package-summary.html">java.awt.im</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces for the input method framework.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/im/spi/package-summary.html">java.awt.im.spi</a></th>
<td class="colLast">
<div class="block">Provides interfaces that enable the development of input methods that can be
used with any Java runtime environment.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/image/package-summary.html">java.awt.image</a></th>
<td class="colLast">
<div class="block">Provides classes for creating and modifying images.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/image/renderable/package-summary.html">java.awt.image.renderable</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces for producing rendering-independent images.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/awt/print/package-summary.html">java.awt.print</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces for a general printing API.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/beans/package-summary.html">java.beans</a></th>
<td class="colLast">
<div class="block">Contains classes related to developing <em>beans</em> -- components based on
the JavaBeans™ architecture.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/java/beans/beancontext/package-summary.html">java.beans.beancontext</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces relating to bean context.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/io/package-summary.html">java.io</a></th>
<td class="colLast">
<div class="block">Provides for system input and output through data streams,
serialization and the file system.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/lang/package-summary.html">java.lang</a></th>
<td class="colLast">
<div class="block">Provides classes that are fundamental to the design of the Java
programming language.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/lang/annotation/package-summary.html">java.lang.annotation</a></th>
<td class="colLast">
<div class="block">Provides library support for the Java programming language
annotation facility.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/lang/constant/package-summary.html">java.lang.constant</a></th>
<td class="colLast">
<div class="block">Classes and interfaces to represent <em>nominal descriptors</em> for run-time
entities such as classes or method handles, and classfile entities such as
constant pool entries or <code>invokedynamic</code> call sites.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.instrument/java/lang/instrument/package-summary.html">java.lang.instrument</a></th>
<td class="colLast">
<div class="block">Provides services that allow Java programming language agents to instrument
programs running on the JVM.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/lang/invoke/package-summary.html">java.lang.invoke</a></th>
<td class="colLast">
<div class="block">The <code>java.lang.invoke</code> package provides low-level primitives for interacting
with the Java Virtual Machine.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.management/java/lang/management/package-summary.html">java.lang.management</a></th>
<td class="colLast">
<div class="block">Provides the management interfaces for monitoring and management of the
Java virtual machine and other components in the Java runtime.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/lang/module/package-summary.html">java.lang.module</a></th>
<td class="colLast">
<div class="block">Classes to support module descriptors and creating configurations of modules
by means of resolution and service binding.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/lang/ref/package-summary.html">java.lang.ref</a></th>
<td class="colLast">
<div class="block">Provides reference-object classes, which support a limited degree
of interaction with the garbage collector.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/lang/reflect/package-summary.html">java.lang.reflect</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces for obtaining reflective information about
classes and objects.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/math/package-summary.html">java.math</a></th>
<td class="colLast">
<div class="block">Provides classes for performing arbitrary-precision integer
arithmetic (<code>BigInteger</code>) and arbitrary-precision decimal
arithmetic (<code>BigDecimal</code>).</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/net/package-summary.html">java.net</a></th>
<td class="colLast">
<div class="block">Provides the classes for implementing networking applications.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.net.http/java/net/http/package-summary.html">java.net.http</a></th>
<td class="colLast">
<div class="block">HTTP Client and WebSocket APIs</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/net/spi/package-summary.html">java.net.spi</a></th>
<td class="colLast">
<div class="block">Service-provider classes for the <a href="java.base/java/net/package-summary.html"><code>java.net</code></a> package.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/nio/package-summary.html">java.nio</a></th>
<td class="colLast">
<div class="block">Defines buffers, which are containers for data, and provides an
overview of the other NIO packages.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/nio/channels/package-summary.html">java.nio.channels</a></th>
<td class="colLast">
<div class="block">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.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/nio/channels/spi/package-summary.html">java.nio.channels.spi</a></th>
<td class="colLast">
<div class="block">Service-provider classes for the <a href="java.base/java/nio/channels/package-summary.html"><code>java.nio.channels</code></a>
package.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/nio/charset/package-summary.html">java.nio.charset</a></th>
<td class="colLast">
<div class="block">Defines charsets, decoders, and encoders, for translating between
bytes and Unicode characters.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/nio/charset/spi/package-summary.html">java.nio.charset.spi</a></th>
<td class="colLast">
<div class="block">Service-provider classes for the <a href="java.base/java/nio/charset/package-summary.html"><code>java.nio.charset</code></a> package.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/nio/file/package-summary.html">java.nio.file</a></th>
<td class="colLast">
<div class="block">Defines interfaces and classes for the Java virtual machine to access files,
file attributes, and file systems.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/nio/file/attribute/package-summary.html">java.nio.file.attribute</a></th>
<td class="colLast">
<div class="block">Interfaces and classes providing access to file and file system attributes.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/nio/file/spi/package-summary.html">java.nio.file.spi</a></th>
<td class="colLast">
<div class="block">Service-provider classes for the <a href="java.base/java/nio/file/package-summary.html"><code>java.nio.file</code></a> package.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.rmi/java/rmi/package-summary.html">java.rmi</a></th>
<td class="colLast">
<div class="block">Provides the RMI package.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.rmi/java/rmi/activation/package-summary.html">java.rmi.activation</a></th>
<td class="colLast">
<div class="block">Provides support for RMI Object Activation.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.rmi/java/rmi/dgc/package-summary.html">java.rmi.dgc</a></th>
<td class="colLast">
<div class="block">Provides classes and interface for RMI distributed
garbage-collection (DGC).</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.rmi/java/rmi/registry/package-summary.html">java.rmi.registry</a></th>
<td class="colLast">
<div class="block">Provides a class and two interfaces for the RMI registry.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.rmi/java/rmi/server/package-summary.html">java.rmi.server</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces for supporting the server
side of RMI.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/security/package-summary.html">java.security</a></th>
<td class="colLast">
<div class="block">Provides the classes and interfaces for the security framework.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/security/acl/package-summary.html">java.security.acl</a></th>
<td class="colLast">
<div class="block">The classes and interfaces in this package have been deprecated.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/security/cert/package-summary.html">java.security.cert</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces for parsing and managing
certificates, certificate revocation lists (CRLs), and
certification paths.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/security/interfaces/package-summary.html">java.security.interfaces</a></th>
<td class="colLast">
<div class="block">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.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/security/spec/package-summary.html">java.security.spec</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces for key specifications and algorithm
parameter specifications.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.sql/java/sql/package-summary.html">java.sql</a></th>
<td class="colLast">
<div class="block">Provides the API for accessing and processing data stored in a
data source (usually a relational database) using the
Java™ programming language.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/text/package-summary.html">java.text</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces for handling text, dates, numbers,
and messages in a manner independent of natural languages.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/text/spi/package-summary.html">java.text.spi</a></th>
<td class="colLast">
<div class="block">Service provider classes for the classes in the java.text package.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/time/package-summary.html">java.time</a></th>
<td class="colLast">
<div class="block">
The main API for dates, times, instants, and durations.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/time/chrono/package-summary.html">java.time.chrono</a></th>
<td class="colLast">
<div class="block">
Generic API for calendar systems other than the default ISO.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/time/format/package-summary.html">java.time.format</a></th>
<td class="colLast">
<div class="block">
Provides classes to print and parse dates and times.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/time/temporal/package-summary.html">java.time.temporal</a></th>
<td class="colLast">
<div class="block">
Access to date and time using fields and units, and date time adjusters.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/time/zone/package-summary.html">java.time.zone</a></th>
<td class="colLast">
<div class="block">
Support for time-zones and their rules.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/package-summary.html">java.util</a></th>
<td class="colLast">
<div class="block">Contains the collections framework, some internationalization support classes,
a service loader, properties, random number generation, string parsing
and scanning classes, base64 encoding and decoding, a bit array, and
several miscellaneous utility classes.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/concurrent/package-summary.html">java.util.concurrent</a></th>
<td class="colLast">
<div class="block">Utility classes commonly useful in concurrent programming.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/concurrent/atomic/package-summary.html">java.util.concurrent.atomic</a></th>
<td class="colLast">
<div class="block">A small toolkit of classes that support lock-free thread-safe
programming on single variables.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/concurrent/locks/package-summary.html">java.util.concurrent.locks</a></th>
<td class="colLast">
<div class="block">Interfaces and classes providing a framework for locking and waiting
for conditions that is distinct from built-in synchronization and
monitors.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/function/package-summary.html">java.util.function</a></th>
<td class="colLast">
<div class="block"><em>Functional interfaces</em> provide target types for lambda expressions
and method references.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/jar/package-summary.html">java.util.jar</a></th>
<td class="colLast">
<div class="block">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.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.logging/java/util/logging/package-summary.html">java.util.logging</a></th>
<td class="colLast">
<div class="block">Provides the classes and interfaces of
the Java™ 2 platform's core logging facilities.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.prefs/java/util/prefs/package-summary.html">java.util.prefs</a></th>
<td class="colLast">
<div class="block">This package allows applications to store and retrieve user and system
preference and configuration data.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/regex/package-summary.html">java.util.regex</a></th>
<td class="colLast">
<div class="block">Classes for matching character sequences against patterns specified
by regular expressions.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/spi/package-summary.html">java.util.spi</a></th>
<td class="colLast">
<div class="block">Service provider classes for the classes in the java.util package.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/stream/package-summary.html">java.util.stream</a></th>
<td class="colLast">
<div class="block">Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/java/util/zip/package-summary.html">java.util.zip</a></th>
<td class="colLast">
<div class="block">Provides classes for reading and writing the standard ZIP and GZIP file
formats.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/accessibility/package-summary.html">javax.accessibility</a></th>
<td class="colLast">
<div class="block">Defines a contract between user-interface components and an assistive
technology that provides access to those components.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.compiler/javax/annotation/processing/package-summary.html">javax.annotation.processing</a></th>
<td class="colLast">
<div class="block">Facilities for declaring annotation processors and for
allowing annotation processors to communicate with an annotation processing
tool environment.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/javax/crypto/package-summary.html">javax.crypto</a></th>
<td class="colLast">
<div class="block">Provides the classes and interfaces for cryptographic
operations.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/javax/crypto/interfaces/package-summary.html">javax.crypto.interfaces</a></th>
<td class="colLast">
<div class="block">Provides interfaces for Diffie-Hellman keys as defined in RSA
Laboratories' PKCS #3.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/javax/crypto/spec/package-summary.html">javax.crypto.spec</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces for key specifications and
algorithm parameter specifications.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/imageio/package-summary.html">javax.imageio</a></th>
<td class="colLast">
<div class="block">The main package of the Java Image I/O API.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/imageio/event/package-summary.html">javax.imageio.event</a></th>
<td class="colLast">
<div class="block">A package of the Java Image I/O API dealing with synchronous notification of
events during the reading and writing of images.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/imageio/metadata/package-summary.html">javax.imageio.metadata</a></th>
<td class="colLast">
<div class="block">A package of the Java Image I/O API dealing with reading and writing
metadata.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/imageio/plugins/bmp/package-summary.html">javax.imageio.plugins.bmp</a></th>
<td class="colLast">
<div class="block">Package containing the public classes used by the built-in BMP plug-in.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/imageio/plugins/jpeg/package-summary.html">javax.imageio.plugins.jpeg</a></th>
<td class="colLast">
<div class="block">Classes supporting the built-in JPEG plug-in.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/imageio/plugins/tiff/package-summary.html">javax.imageio.plugins.tiff</a></th>
<td class="colLast">
<div class="block">Public classes used by the built-in TIFF plug-ins.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/imageio/spi/package-summary.html">javax.imageio.spi</a></th>
<td class="colLast">
<div class="block">A package of the Java Image I/O API containing the plug-in interfaces for
readers, writers, transcoders, and streams, and a runtime registry.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/imageio/stream/package-summary.html">javax.imageio.stream</a></th>
<td class="colLast">
<div class="block">A package of the Java Image I/O API dealing with low-level I/O from files and
streams.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.compiler/javax/lang/model/package-summary.html">javax.lang.model</a></th>
<td class="colLast">
<div class="block">Classes and hierarchies of packages used to model the Java
programming language.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.compiler/javax/lang/model/element/package-summary.html">javax.lang.model.element</a></th>
<td class="colLast">
<div class="block">Interfaces used to model elements of the Java programming language.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.compiler/javax/lang/model/type/package-summary.html">javax.lang.model.type</a></th>
<td class="colLast">
<div class="block">Interfaces used to model Java programming language types.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.compiler/javax/lang/model/util/package-summary.html">javax.lang.model.util</a></th>
<td class="colLast">
<div class="block">Utilities to assist in the processing of
<a href="java.compiler/javax/lang/model/element/package-summary.html">program elements</a> and
<a href="java.compiler/javax/lang/model/type/package-summary.html">types</a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.management/javax/management/package-summary.html">javax.management</a></th>
<td class="colLast">
<div class="block">Provides the core classes for the Java Management Extensions.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.management/javax/management/loading/package-summary.html">javax.management.loading</a></th>
<td class="colLast">
<div class="block">Provides the classes which implement advanced dynamic
loading.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.management/javax/management/modelmbean/package-summary.html">javax.management.modelmbean</a></th>
<td class="colLast">
<div class="block">Provides the definition of the ModelMBean classes.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.management/javax/management/monitor/package-summary.html">javax.management.monitor</a></th>
<td class="colLast">
<div class="block">Provides the definition of the monitor classes.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.management/javax/management/openmbean/package-summary.html">javax.management.openmbean</a></th>
<td class="colLast">
<div class="block">Provides the open data types and Open MBean descriptor classes.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.management/javax/management/relation/package-summary.html">javax.management.relation</a></th>
<td class="colLast">
<div class="block">Provides the definition of the Relation Service.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.management/javax/management/remote/package-summary.html">javax.management.remote</a></th>
<td class="colLast">
<div class="block">Interfaces for remote access to
JMX MBean servers.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.management.rmi/javax/management/remote/rmi/package-summary.html">javax.management.remote.rmi</a></th>
<td class="colLast">
<div class="block">The RMI connector is a connector for the JMX Remote API that
uses RMI to transmit client requests to a remote MBean server.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.management/javax/management/timer/package-summary.html">javax.management.timer</a></th>
<td class="colLast">
<div class="block">Provides the definition of the Timer MBean.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.naming/javax/naming/package-summary.html">javax.naming</a></th>
<td class="colLast">
<div class="block">Provides the classes and interfaces for accessing naming services.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.naming/javax/naming/directory/package-summary.html">javax.naming.directory</a></th>
<td class="colLast">
<div class="block">Extends the <code>javax.naming</code> package to provide functionality
for accessing directory services.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.naming/javax/naming/event/package-summary.html">javax.naming.event</a></th>
<td class="colLast">
<div class="block">Provides support for event notification when accessing naming and
directory services.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.naming/javax/naming/ldap/package-summary.html">javax.naming.ldap</a></th>
<td class="colLast">
<div class="block">Provides support for LDAPv3 extended operations and controls.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.naming/javax/naming/ldap/spi/package-summary.html">javax.naming.ldap.spi</a></th>
<td class="colLast"> </td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.naming/javax/naming/spi/package-summary.html">javax.naming.spi</a></th>
<td class="colLast">
<div class="block">Provides the means for dynamically plugging in support for accessing
naming and directory services through the <code>javax.naming</code>
and related packages.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.base/javax/net/package-summary.html">javax.net</a></th>
<td class="colLast">
<div class="block">Provides classes for networking applications.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.base/javax/net/ssl/package-summary.html">javax.net.ssl</a></th>
<td class="colLast">
<div class="block">Provides classes for the secure socket package.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/print/package-summary.html">javax.print</a></th>
<td class="colLast">
<div class="block">Provides the principal classes and interfaces for the Java™ Print
Service API.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/print/attribute/package-summary.html">javax.print.attribute</a></th>
<td class="colLast">
<div class="block">Provides classes and interfaces that describe the types of Java™ Print
Service attributes and how they can be collected into attribute sets.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/print/attribute/standard/package-summary.html">javax.print.attribute.standard</a></th>
<td class="colLast">
<div class="block">Package <code>javax.print.attribute.standard</code> contains classes for specific
printing attributes.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.desktop/javax/print/event/package-summary.html">javax.print.event</a></th>
<td class="colLast">
<div class="block">Package <code>javax.print.event</code> contains event classes and listener
interfaces.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java.rmi/javax/rmi/ssl/package-summary.html">javax.rmi.ssl</a></th>
<td class="colLast">
<div class="block">Provides implementations of <a href="java.rmi/java/rmi/server/RMIClientSocketFactory.html" title="interface in java.rmi.server"><code>RMIClientSocketFactory</code></a>
and <a href="java.rmi/java/rmi/server/RMIServerSocketFactory.html" title="interface in java.rmi.server"><code>RMIServerSocketFactory</code></a> over
the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java.scripting/javax/script/package-summary.html">javax.script</a></th>
<td class="colLast">
<div class="block">The scripting API consists of interfaces and classes that define
Java™ Scripting Engines and provides
a framework for their use in Java applications.</div>
</td>
</tr>
<tr class="rowColor">