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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /><meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /><title xmlns:xi="http://www.w3.org/2001/XInclude">JDK 7</title><link rel="shortcut icon" href="../../images/nanoduke.ico" /><link rel="stylesheet" type="text/css" href="../../page.css" /><script type="text/javascript" src="../../page.js"><noscript></noscript></script><script src="https://cdn.usefathom.com/script.js" data-site="KCYJJPZX" defer="yes"></script><style type="text/css" xml:space="preserve"> /**/ TABLE { border-collapse: collapse; } TABLE.sched TD { vertical-align: top; } TABLE.sched TH { text-align: left; padding-left: 1em; } TABLE.sched TD { padding-left: 1em; } TABLE.sched TD:first-child { padding-left: 0em; } TABLE.sched TD { white-space: nowrap; } TABLE.sched TR:first-child TD { padding-top: 0ex; } /* BLOCKQUOTE { margin: 1.5ex 0em 1.5ex 2em; } H1 { font-size: 12.5pt; font-weight: bold; padding: 0pt; margin: 2ex .5ex 1ex 0pt; } H1:first-child, H2:first-child { margin-top: 0ex; } H2 { font-size: 10pt; font-weight: bold; padding: 0pt; margin: 1.5ex 0pt 1ex 0pt; } BODY { width: 42em; } */ /**/ </style><style type="text/css"> /**/ DIV.jdk7nav { font-size: 8pt; float: right; margin-right: 2em; padding-top: .75ex; } DIV.jdk7top { font-size: 12.5pt; font-weight: bold; } DIV.jdk7top + H1 { margin-top: .0ex; } /**/ </style></head><body><div id="main"> <div class="jdk7nav">« <a href="./features">features</a> · <a href="./milestones">milestones</a> · <a href="./builds">builds</a> · <a href="./calendar">calendar</a> »</div> <div class="jdk7top">JDK 7</div> <p>The primary goal of this Project was to produce an open-source implementation of the seventh edition of the Java SE Platform, as defined by <a href="http://www.jcp.org/en/jsr/detail?id=336">JSR 336</a> in the <a href="http://jcp.org">Java Community Process</a>.</p> <p>JDK 7 reached General Availability on 28 July 2011. Production-ready binary distributions based on the JDK 7 code base are available now from <a href="http://oracle.com/technetwork/java/javase/downloads">Oracle</a> and will be available soon in most <a href="/install">Linux distributions</a> and from Oracle's <a href="http://java.sun.com/javase/licensees.jsp">Java SE licensees</a>.</p> <p>Detailed information on the main features of the release can be found on the <a href="features">features</a> page. The JDK 7 development schedule was divided into a sequence of <a href="milestones">milestone cycles</a>. A complete <a href="calendar">calendar</a> of the entire development timeline is also available.</p> <p>Development of JDK 7 update releases is being done in the nearby <a href="../jdk7u">JDK 7 Updates Project</a>.</p> <h2>History</h2> <p>After Oracle acquired Sun we replanned JDK 7 according to the <a href="http://mreinhold.org/blog/plan-b">"Plan B"</a> proposal in order to accelerate its release while maintaining performance and quality. Features that needed more time to mature were deferred to JDK 8 or later releases as explained <a href="http://mreinhold.org/blog/rethinking-jdk7">here</a>. A handful of small, high-impact features which were not previously part of the plan but were finished, or nearly so, were added to the release.</p> <p>The high-level schedule for the endgame of the release was as follows:</p> <blockquote> <table class="sched"> <tr> <td rowspan="1" colspan="1">2010/12/23</td> <td rowspan="1" colspan="1">Feature Complete (M11)</td> </tr> <tr> <td rowspan="1" colspan="1">2011/02/17</td> <td rowspan="1" colspan="1"><b>Developer Preview</b> (M12)</td> </tr> <tr> <td rowspan="1" colspan="1">2011/04/12</td> <td rowspan="1" colspan="1">Rampdown start: P1-P3 bugs only</td> </tr> <tr> <td rowspan="1" colspan="1">2011/04/28</td> <td rowspan="1" colspan="1">API/interface changes: Showstoppers only</td> </tr> <tr> <td rowspan="1" colspan="1">2011/05/11</td> <td rowspan="1" colspan="1">All targeted bugs addressed</td> </tr> <tr> <td rowspan="1" colspan="1">2011/05/18</td> <td rowspan="1" colspan="1">Bug fixes: Showstoppers only</td> </tr> <tr> <td rowspan="1" colspan="1">2011/06/02</td> <td rowspan="1" colspan="1">Last scheduled build (M13)<br /> Final test cycle starts</td> </tr> <tr> <td rowspan="1" colspan="1">2011/07/28</td> <td rowspan="1" colspan="1">General Availability</td> </tr> </table> </blockquote> <div class="last-update">Last update: 2011/7/28 08:19 -0700</div> <div class="jdk7nav">« <a href="./features">features</a> · <a href="./milestones">milestones</a> · <a href="./builds">builds</a> · <a href="./calendar">calendar</a> »</div> </div><div id="sidebar"><div id="openjdk-sidebar-logo"><a href="/"><img alt="OpenJDK logo" width="91" height="25" src="../../images/openjdk2.svg" /></a></div><div class="links"><div class="link"><a href="/install/">Installing</a></div><div class="link"><a href="/guide/#contributing-to-an-openjdk-project">Contributing</a></div><div class="link"><a href="/guide/#reviewing-and-sponsoring-a-change">Sponsoring</a></div><div class="link"><a href="/guide/">Developers' Guide</a></div><div class="link"><a 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