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<!DOCTYPE HTML>
<!-- NewPage -->
<html lang="en">
<head>
<!-- Generated by javadoc -->
<title>java.base (Java SE 12 & JDK 12 )</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<h1 title="Module" class="title">Module java.base</h1>
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<section role="region">
<!-- ============ MODULE DESCRIPTION =========== -->
<a id="module.description">
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</a>
<div class="block">Defines the foundational APIs of the Java SE Platform.
<dl>
<dt class="simpleTagLabel" style="font-family:'DejaVu Sans', Arial, Helvetica, sans serif">Providers:</dt>
<dd> The JDK implementation of this module provides an implementation of
the <a id="jrt" class="searchTagResult">jrt</a> <a href="java/nio/file/spi/FileSystemProvider.html" title="class in java.nio.file.spi">file system provider</a> to enumerate and read the class and resource
files in a run-time image.
The jrt file system can be created by calling
<a href="java/nio/file/FileSystems.html#newFileSystem(java.net.URI,java.util.Map)"><code>FileSystems.newFileSystem(URI.create("jrt:/"))</code></a>.
</dd>
<dt class="simpleTagLabel" style="font-family:'DejaVu Sans', Arial, Helvetica, sans serif">Tool Guides:</dt>
<dd style="font-family:'DejaVu Sans', Arial, Helvetica, sans serif"> <a href="https://docs.oracle.com/pls/topic/lookup?ctx=javase12&id=java_tool_reference">java launcher</a>,
<a href="https://docs.oracle.com/pls/topic/lookup?ctx=javase12&id=keytool_tool_reference">keytool</a></dd>
</dl></div>
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</dt><dd><a class=moduleGraph href="module-graph.png"><img style="vertical-align:top" alt="Module graph for java.base" src="module-graph.png"></a></dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>9</dd>
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<!-- ============ PACKAGES SUMMARY =========== -->
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<h3>Packages</h3>
<div class="packagesSummary">
<table>
<caption><span>Exports</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" id="i0">
<th class="colFirst" scope="row"><a href="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="rowColor" id="i1">
<th class="colFirst" scope="row"><a href="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="altColor" id="i2">
<th class="colFirst" scope="row"><a href="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="rowColor" id="i3">
<th class="colFirst" scope="row"><a href="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="altColor" id="i4">
<th class="colFirst" scope="row"><a href="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" id="i5">
<th class="colFirst" scope="row"><a href="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="altColor" id="i6">
<th class="colFirst" scope="row"><a href="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="rowColor" id="i7">
<th class="colFirst" scope="row"><a href="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="altColor" id="i8">
<th class="colFirst" scope="row"><a href="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="rowColor" id="i9">
<th class="colFirst" scope="row"><a href="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="altColor" id="i10">
<th class="colFirst" scope="row"><a href="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/net/package-summary.html"><code>java.net</code></a> package.</div>
</td>
</tr>
<tr class="rowColor" id="i11">
<th class="colFirst" scope="row"><a href="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" id="i12">
<th class="colFirst" scope="row"><a href="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" id="i13">
<th class="colFirst" scope="row"><a href="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/nio/channels/package-summary.html"><code>java.nio.channels</code></a>
package.</div>
</td>
</tr>
<tr class="altColor" id="i14">
<th class="colFirst" scope="row"><a href="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" id="i15">
<th class="colFirst" scope="row"><a href="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/nio/charset/package-summary.html"><code>java.nio.charset</code></a> package.</div>
</td>
</tr>
<tr class="altColor" id="i16">
<th class="colFirst" scope="row"><a href="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" id="i17">
<th class="colFirst" scope="row"><a href="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" id="i18">
<th class="colFirst" scope="row"><a href="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/nio/file/package-summary.html"><code>java.nio.file</code></a> package.</div>
</td>
</tr>
<tr class="rowColor" id="i19">
<th class="colFirst" scope="row"><a href="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="altColor" id="i20">
<th class="colFirst" scope="row"><a href="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="rowColor" id="i21">
<th class="colFirst" scope="row"><a href="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="altColor" id="i22">
<th class="colFirst" scope="row"><a href="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="rowColor" id="i23">
<th class="colFirst" scope="row"><a href="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="altColor" id="i24">
<th class="colFirst" scope="row"><a href="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" id="i25">
<th class="colFirst" scope="row"><a href="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" id="i26">
<th class="colFirst" scope="row"><a href="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" id="i27">
<th class="colFirst" scope="row"><a href="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" id="i28">
<th class="colFirst" scope="row"><a href="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" id="i29">
<th class="colFirst" scope="row"><a href="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" id="i30">
<th class="colFirst" scope="row"><a href="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" id="i31">
<th class="colFirst" scope="row"><a href="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" id="i32">
<th class="colFirst" scope="row"><a href="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" id="i33">
<th class="colFirst" scope="row"><a href="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" id="i34">
<th class="colFirst" scope="row"><a href="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" id="i35">
<th class="colFirst" scope="row"><a href="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" id="i36">
<th class="colFirst" scope="row"><a href="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>
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<th class="colFirst" scope="row"><a href="java/util/regex/package-summary.html">java.util.regex</a></th>
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<div class="block">Classes for matching character sequences against patterns specified
by regular expressions.</div>
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<th class="colFirst" scope="row"><a href="java/util/spi/package-summary.html">java.util.spi</a></th>
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<div class="block">Service provider classes for the classes in the java.util package.</div>
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<th class="colFirst" scope="row"><a href="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>
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<th class="colFirst" scope="row"><a href="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>
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<th class="colFirst" scope="row"><a href="javax/crypto/package-summary.html">javax.crypto</a></th>
<td class="colLast">
<div class="block">Provides the classes and interfaces for cryptographic
operations.</div>
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<th class="colFirst" scope="row"><a href="javax/crypto/interfaces/package-summary.html">javax.crypto.interfaces</a></th>
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<div class="block">Provides interfaces for Diffie-Hellman keys as defined in RSA
Laboratories' PKCS #3.</div>
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<th class="colFirst" scope="row"><a href="javax/crypto/spec/package-summary.html">javax.crypto.spec</a></th>
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<div class="block">Provides classes and interfaces for key specifications and
algorithm parameter specifications.</div>
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<th class="colFirst" scope="row"><a href="javax/net/package-summary.html">javax.net</a></th>
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<div class="block">Provides classes for networking applications.</div>
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<th class="colFirst" scope="row"><a href="javax/net/ssl/package-summary.html">javax.net.ssl</a></th>
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<div class="block">Provides classes for the secure socket package.</div>
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<th class="colFirst" scope="row"><a href="javax/security/auth/package-summary.html">javax.security.auth</a></th>
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<div class="block">This package provides a framework for authentication and
authorization.</div>
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<div class="block">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).</div>
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<th class="colFirst" scope="row"><a href="javax/security/auth/login/package-summary.html">javax.security.auth.login</a></th>
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<div class="block">This package provides a pluggable authentication framework.</div>
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<th class="colFirst" scope="row"><a href="javax/security/auth/spi/package-summary.html">javax.security.auth.spi</a></th>
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<div class="block">This package provides the interface to be used for
implementing pluggable authentication modules.</div>
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<th class="colFirst" scope="row"><a href="javax/security/auth/x500/package-summary.html">javax.security.auth.x500</a></th>
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<div class="block">This package contains the classes that should be used to store
X500 Principal and X500 Private Credentials in a
<i>Subject</i>.</div>
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<th class="colFirst" scope="row"><a href="javax/security/cert/package-summary.html">javax.security.cert</a></th>
<td class="colLast">
<div class="block">Provides classes for public key certificates.</div>
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<th class="colFirst" scope="col">Type</th>
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<th class="colFirst" scope="row"><a href="java/nio/file/spi/FileSystemProvider.html" title="class in java.nio.file.spi">FileSystemProvider</a></th>
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<th class="colFirst" scope="col">Type</th>
<th class="colLast" scope="col">Description</th>
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<th class="colFirst" scope="row"><a href="java/time/chrono/AbstractChronology.html" title="class in java.time.chrono">AbstractChronology</a></th>
<td class="colLast">
<div class="block">An abstract implementation of a calendar system, used to organize and identify dates.</div>
</td>
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<th class="colFirst" scope="row"><a href="java/nio/channels/spi/AsynchronousChannelProvider.html" title="class in java.nio.channels.spi">AsynchronousChannelProvider</a></th>
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<div class="block">Service-provider class for asynchronous channels.</div>
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<th class="colFirst" scope="row"><a href="java/text/spi/BreakIteratorProvider.html" title="class in java.text.spi">BreakIteratorProvider</a></th>
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<div class="block">An abstract class for service providers that
provide concrete implementations of the
<a href="java/text/BreakIterator.html" title="class in java.text"><code>BreakIterator</code></a> class.</div>
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<th class="colFirst" scope="row"><a href="java/util/spi/CalendarDataProvider.html" title="class in java.util.spi">CalendarDataProvider</a></th>
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<div class="block">An abstract class for service providers that provide locale-dependent <a href="java/util/Calendar.html" title="class in java.util"><code>Calendar</code></a> parameters.</div>
</td>
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<th class="colFirst" scope="row"><a href="java/util/spi/CalendarNameProvider.html" title="class in java.util.spi">CalendarNameProvider</a></th>
<td class="colLast">
<div class="block">An abstract class for service providers that provide localized string
representations (display names) of <code>Calendar</code> field values.</div>
</td>
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<th class="colFirst" scope="row"><a href="java/nio/charset/spi/CharsetProvider.html" title="class in java.nio.charset.spi">CharsetProvider</a></th>
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<div class="block">Charset service-provider class.</div>
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<th class="colFirst" scope="row"><a href="java/time/chrono/Chronology.html" title="interface in java.time.chrono">Chronology</a></th>
<td class="colLast">
<div class="block">A calendar system, used to organize and identify dates.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java/text/spi/CollatorProvider.html" title="class in java.text.spi">CollatorProvider</a></th>
<td class="colLast">
<div class="block">An abstract class for service providers that
provide concrete implementations of the
<a href="java/text/Collator.html" title="class in java.text"><code>Collator</code></a> class.</div>
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<th class="colFirst" scope="row"><a href="java/net/ContentHandlerFactory.html" title="interface in java.net">ContentHandlerFactory</a></th>
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<div class="block">This interface defines a factory for content handlers.</div>
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<th class="colFirst" scope="row"><a href="java/util/spi/CurrencyNameProvider.html" title="class in java.util.spi">CurrencyNameProvider</a></th>
<td class="colLast">
<div class="block">An abstract class for service providers that
provide localized currency symbols and display names for the
<a href="java/util/Currency.html" title="class in java.util"><code>Currency</code></a> class.</div>
</td>
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<th class="colFirst" scope="row"><a href="java/text/spi/DateFormatProvider.html" title="class in java.text.spi">DateFormatProvider</a></th>
<td class="colLast">
<div class="block">An abstract class for service providers that
provide concrete implementations of the
<a href="java/text/DateFormat.html" title="class in java.text"><code>DateFormat</code></a> class.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java/text/spi/DateFormatSymbolsProvider.html" title="class in java.text.spi">DateFormatSymbolsProvider</a></th>
<td class="colLast">
<div class="block">An abstract class for service providers that
provide instances of the
<a href="java/text/DateFormatSymbols.html" title="class in java.text"><code>DateFormatSymbols</code></a> class.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java/text/spi/DecimalFormatSymbolsProvider.html" title="class in java.text.spi">DecimalFormatSymbolsProvider</a></th>
<td class="colLast">
<div class="block">An abstract class for service providers that
provide instances of the
<a href="java/text/DecimalFormatSymbols.html" title="class in java.text"><code>DecimalFormatSymbols</code></a> class.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java/nio/file/spi/FileSystemProvider.html" title="class in java.nio.file.spi">FileSystemProvider</a></th>
<td class="colLast">
<div class="block">Service-provider class for file systems.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java/nio/file/spi/FileTypeDetector.html" title="class in java.nio.file.spi">FileTypeDetector</a></th>
<td class="colLast">
<div class="block">A file type detector for probing a file to guess its file type.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java/util/spi/LocaleNameProvider.html" title="class in java.util.spi">LocaleNameProvider</a></th>
<td class="colLast">
<div class="block">An abstract class for service providers that
provide localized names for the
<a href="java/util/Locale.html" title="class in java.util"><code>Locale</code></a> class.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="javax/security/auth/spi/LoginModule.html" title="interface in javax.security.auth.spi">LoginModule</a></th>
<td class="colLast">
<div class="block"> Service-provider interface for authentication technology providers.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java/text/spi/NumberFormatProvider.html" title="class in java.text.spi">NumberFormatProvider</a></th>
<td class="colLast">
<div class="block">An abstract class for service providers that
provide concrete implementations of the
<a href="java/text/NumberFormat.html" title="class in java.text"><code>NumberFormat</code></a> class.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java/security/Provider.html" title="class in java.security">Provider</a></th>
<td class="colLast">
<div class="block">This class represents a "provider" for the
Java Security API, where a provider implements some or all parts of
Java Security.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java/util/spi/ResourceBundleControlProvider.html" title="interface in java.util.spi">ResourceBundleControlProvider</a></th>
<td class="colLast">
<div class="block">An interface for service providers that provide implementations of <a href="java/util/ResourceBundle.Control.html" title="class in java.util"><code>ResourceBundle.Control</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java/util/spi/ResourceBundleProvider.html" title="interface in java.util.spi">ResourceBundleProvider</a></th>
<td class="colLast">
<div class="block"><code>ResourceBundleProvider</code> is a service provider interface for
resource bundles.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java/nio/channels/spi/SelectorProvider.html" title="class in java.nio.channels.spi">SelectorProvider</a></th>
<td class="colLast">
<div class="block">Service-provider class for selectors and selectable channels.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java/lang/System.LoggerFinder.html" title="class in java.lang">System.LoggerFinder</a></th>
<td class="colLast">
<div class="block">The <code>LoggerFinder</code> service is responsible for creating, managing,
and configuring loggers to the underlying framework it uses.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java/util/spi/TimeZoneNameProvider.html" title="class in java.util.spi">TimeZoneNameProvider</a></th>
<td class="colLast">
<div class="block">An abstract class for service providers that
provide localized time zone names for the
<a href="java/util/TimeZone.html" title="class in java.util"><code>TimeZone</code></a> class.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java/util/spi/ToolProvider.html" title="interface in java.util.spi">ToolProvider</a></th>
<td class="colLast">
<div class="block">An interface for command-line tools to provide a way to
be invoked without necessarily starting a new VM.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="java/net/spi/URLStreamHandlerProvider.html" title="class in java.net.spi">URLStreamHandlerProvider</a></th>
<td class="colLast">
<div class="block">URL stream handler service-provider class.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="java/time/zone/ZoneRulesProvider.html" title="class in java.time.zone">ZoneRulesProvider</a></th>
<td class="colLast">
<div class="block">Provider of time-zone rules to the system.</div>
</td>
</tr>
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