{"id":816,"date":"2020-05-18T15:21:06","date_gmt":"2020-05-18T07:21:06","guid":{"rendered":"http:\/\/prayerlaputa.com\/?p=816"},"modified":"2020-06-18T15:22:59","modified_gmt":"2020-06-18T07:22:59","slug":"jdk%e5%90%84%e4%b8%aa%e7%89%88%e6%9c%ac%e7%89%b9%e6%80%a7%e9%80%9f%e8%a7%88","status":"publish","type":"post","link":"http:\/\/prayerlaputa.com\/?p=816","title":{"rendered":"JDK\u5404\u4e2a\u7248\u672c\u7279\u6027\u901f\u89c8"},"content":{"rendered":"<h1 id=\"jdk%E5%90%84%E4%B8%AA%E7%89%88%E6%9C%AC%E7%89%B9%E6%80%A7%E9%80%9F%E8%A7%88\" class=\"mume-header\">JDK\u5404\u4e2a\u7248\u672c\u7279\u6027\u901f\u89c8<\/h1>\n<p><img src=\"vscode-resource:\/\/file\/\/\/d:\/GitRepository\/JavaKnowledgeTree\/java\/images\/JDK8%E4%BE%9D%E8%B5%96%E5%90%84%E4%B8%AA%E7%89%88%E6%9C%AC%E6%9B%B4%E6%96%B0%E5%86%85%E5%AE%B9.jpg\" alt=\"\" \/>JDK 1.5<\/p>\n<p>\u5f88\u91cd\u8981\u7684\u4e00\u4e2a\u7248\u672c\u3002<\/p>\n<ul>\n<li>\u66f4\u65b0\u4e86Java\u5185\u5b58\u6a21\u578b\uff08JMM\uff09\n<ul>\n<li>\u589e\u5f3avolatile\u8bed\u4e49<\/li>\n<li>\u589e\u5f3afinal\u8bed\u4e49<\/li>\n<\/ul>\n<\/li>\n<li>\u6cdb\u578b<\/li>\n<li>For-Each\u5faa\u73af<\/li>\n<li>\u6ce8\u89e3<\/li>\n<li>\u679a\u4e3e<\/li>\n<li>JUC\u5305<\/li>\n<li>lock\u63a5\u53e3<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<h2 id=\"jdk-16\" class=\"mume-header\">JDK 1.6<\/h2>\n<ul>\n<li>Desktop\u7c7b\u548cSystemTray\u7c7b<\/li>\n<li>JAXB2\u5b9e\u73b0\u5bf9\u8c61\u4e0eXML\u4e4b\u95f4\u7684\u6620\u5c04<\/li>\n<li>StAX<\/li>\n<li>Compiler API<\/li>\n<li>\u8f7b\u91cf\u7ea7 Http Server API<\/li>\n<li>\u63d2\u5165\u5f0f\u6ce8\u89e3\u5904\u7406API\uff08Pluggable Annotation Processing API\uff09<\/li>\n<li>\u7528Console\u5f00\u53d1\u63a7\u5236\u53f0\u7a0b\u5e8f<\/li>\n<li>\u5bf9\u811a\u672c\u8bed\u8a00\u7684\u652f\u6301\uff08\u5982\uff1aruby\uff0cgroovy\uff0cjavascript\uff09<\/li>\n<li>Common Annotations<\/li>\n<\/ul>\n<p>\u5e76\u53d1\u76f8\u5173\uff1asychronized\u9501\u4f18\u5316\uff1a\u504f\u5411\u9501\u3001\u8f7b\u91cf\u7ea7\u9501\u3001\u91cd\u91cf\u7ea7\u9501<\/p>\n<h2 id=\"jdk-17\" class=\"mume-header\">JDK 1.7<\/h2>\n<ul>\n<li>\u4e8c\u8fdb\u5236\u5b57\u9762\u91cf<\/li>\n<li>\u6570\u5b57\u5b57\u9762\u91cf\u53ef\u4ee5\u51fa\u73b0\u4e0b\u5212\u7ebf<\/li>\n<li>switch \u8bed\u53e5\u53ef\u4ee5\u7528\u5b57\u7b26\u4e32<\/li>\n<li>\u6cdb\u578b\u5b9e\u4f8b\u7684\u521b\u5efa\u53ef\u4ee5\u901a\u8fc7\u7c7b\u578b\u63a8\u65ad\u6765\u7b80\u5316<\/li>\n<li>try-with-resources \u8bed\u53e5<\/li>\n<li>\u5f02\u5e38\u5904\u7406\uff08\u6355\u83b7\u591a\u4e2a\u5f02\u5e38\uff09<\/li>\n<li>JSR203 NIO2.0\uff08AIO\uff09\u65b0IO\u7684\u652f\u6301<\/li>\n<li>JSR292\u4e0eInvokeDynamic\u6307\u4ee4<\/li>\n<li>Path\u63a5\u53e3\u3001DirectoryStream\u3001Files\u3001WatchService\uff08\u91cd\u8981\u63a5\u53e3\u66f4\u65b0\uff09<\/li>\n<li>fork\/join framework<\/li>\n<\/ul>\n<p><strong>JDK 8\u4e4b\u540e\u7684\u66f4\u65b0\u5185\u5bb9\uff0c\u5f3a\u70c8\u63a8\u8350\u8fd9\u7bc7\u6587\u7ae0\uff1a<\/strong><\/p>\n<p><a href=\"https:\/\/juejin.im\/post\/5d5950806fb9a06b0a277412\">\u804a\u804a Java8 \u4ee5\u540e\u5404\u4e2a\u7248\u672c\u7684\u65b0\u7279\u6027<\/a><\/p>\n<h2 id=\"jdk-18\" class=\"mume-header\">JDK 1.8<\/h2>\n<ul>\n<li>Lambda<\/li>\n<li>Stream<\/li>\n<li>Optional<\/li>\n<li>Date\/Time API (JSR 310)<\/li>\n<li>JVM\u7684PermGen\u7a7a\u95f4\u88ab\u79fb\u9664\uff1a\u53d6\u4ee3\u5b83\u7684\u662fMetaspace\uff08JEP 122\uff09\u3002<\/li>\n<\/ul>\n<h2 id=\"jdk-9\" class=\"mume-header\">JDK 9<\/h2>\n<ul>\n<li>\u5e73\u53f0\u7ea7modularity\uff08\u539f\u540d\uff1aJigsaw\uff09 \u6a21\u5757\u5316\u7cfb\u7edf<\/li>\n<li>Java \u7684 REPL \u5de5\u5177\uff1a jShell \u547d\u4ee4<\/li>\n<li>\u591a\u7248\u672c\u517c\u5bb9 jar \u5305\uff08\u8fd9\u4e2a\u5728\u5904\u7406\u5411\u4e0b\u517c\u5bb9\u65b9\u9762\uff0c\u975e\u5e38\u597d\u7528\uff09<\/li>\n<li>\u8bed\u6cd5\u6539\u8fdb\uff1a\u63a5\u53e3\u7684\u79c1\u6709\u65b9\u6cd5<\/li>\n<li>\u8bed\u6cd5\u6539\u8fdb\uff1aUnderScore(\u4e0b\u5212\u7ebf)\u4f7f\u7528\u7684\u9650\u5236<\/li>\n<li>\u5e95\u5c42\u7ed3\u6784\uff1a<strong>String \u5b58\u50a8\u7ed3\u6784\u53d8\u66f4\uff08\u8fd9\u4e2a\u5f88\u91cd\u8981\uff09<\/strong><\/li>\n<li>\u96c6\u5408\u5de5\u5382\u65b9\u6cd5\uff1a\u5feb\u901f\u521b\u5efa\u53ea\u8bfb\u96c6\u5408<\/li>\n<li>\u589e\u5f3a\u7684 Stream API<\/li>\n<li>\u5168\u65b0\u7684 HTTP \u5ba2\u6237\u7aef API\n<ul>\n<li>HTTP\/2, WebSocket<\/li>\n<\/ul>\n<\/li>\n<li>\u5176\u5b83\u7279\u6027<\/li>\n<\/ul>\n<p>JVM\u76f8\u5173\uff1a<br \/>\nG1\u662fJDK 9\u9ed8\u8ba4GC\u3002<\/p>\n<h2 id=\"jdk-10\" class=\"mume-header\">JDK 10<\/h2>\n<ul>\n<li>\u5c40\u90e8\u53d8\u91cf\u7684\u7c7b\u578b\u63a8\u65ad var\u5173\u952e\u5b57<\/li>\n<li>GC\u6539\u8fdb\u548c\u5185\u5b58\u7ba1\u7406 \u5e76\u884c\u5168\u5783\u573e\u56de\u6536\u5668 G1<\/li>\n<li>\u5783\u573e\u56de\u6536\u5668\u63a5\u53e3<\/li>\n<li>\u7ebf\u7a0b-\u5c40\u90e8\u53d8\u91cf\u7ba1\u63a7<\/li>\n<li>\u5408\u5e76 JDK \u591a\u4e2a\u4ee3\u7801\u4ed3\u5e93\u5230\u4e00\u4e2a\u5355\u72ec\u7684\u50a8\u5b58\u5e93\u4e2d<\/li>\n<li>\u65b0\u589eAPI\uff1aByteArrayOutputStream<\/li>\n<li>List\u3001Map\u3001Set\u65b0\u589eAPI\uff1acopyOf(Collection\uff09<\/li>\n<li>\u65b0\u589eAPI\uff1ajava.util.Properties<\/li>\n<li>\u65b0\u589eAPI\uff1a Collectors\u6536\u96c6\u5668<\/li>\n<li>\u5176\u5b83\u7279\u6027<\/li>\n<\/ul>\n<p>JVM\u76f8\u5173\uff1a<\/p>\n<ul>\n<li>The default value for\u00a0<code>BiasedLockingStartupDelay<\/code>\u00a0has been changed to 0. \uff08\u539f\u672c\u9ed8\u8ba4\u503c\u662f4000\uff0c\u53734s\u540e\u542f\u52a8\u504f\u5411\u9501\u3002\u8be5\u503c\u8c8c\u4f3c\u4e00\u76f4\u6709\u8c03\u6574\uff0c\u5728JDK 1.6.0 update 12\u4e2d\uff0c\u662f500\uff0c\u53c2\u89c1https:\/\/www.oracle.com\/technetwork\/java\/javase\/itanium6u12-137891.html \uff09 \u5373\uff1aJVM\u542f\u52a8\u65f6\u5ef6\u65f6\u542f\u7528\u504f\u5411\u9501\u6539\u4e3a\u9ed8\u8ba4\u542f\u52a8\u3002\u53c2\u8003<a href=\"https:\/\/www.oracle.com\/java\/technologies\/javase\/10-relnote-issues.html\">JDK 10 Release Notes<\/a><\/li>\n<\/ul>\n<h2 id=\"jdk-11\" class=\"mume-header\">JDK 11<\/h2>\n<p>2018\u5e749\u670826\u65e5\uff0cOracle \u5b98\u65b9\u5ba3\u5e03 Java 11 \u6b63\u5f0f\u53d1\u5e03\u3002\u8fd9\u662f Java \u5927\u7248\u672c\u5468\u671f\u53d8\u5316\u540e\u7684\u7b2c\u4e00\u4e2a\u957f\u671f\u652f\u6301\u7248\u672c\uff08LTS\u7248\u672c\uff0cLong-Term-Support\uff0c\u6301\u7eed\u652f\u6301\u52302026\u5e749\u6708\uff09\uff0c\u975e\u5e38\u503c\u5f97\u5173\u6ce8\u3002<\/p>\n<ul>\n<li>\u672c\u5730\u53d8\u91cf\u7c7b\u578b\u63a8\u65ad<\/li>\n<li>\u5b57\u7b26\u4e32\u52a0\u5f3a<\/li>\n<li>\u96c6\u5408\u52a0\u5f3a<\/li>\n<li>Stream \u52a0\u5f3a<\/li>\n<li>Optional \u52a0\u5f3a<\/li>\n<li>InputStream \u52a0\u5f3a<\/li>\n<li>HTTP Client API<\/li>\n<li>\u5316\u7e41\u4e3a\u7b80\uff0c\u4e00\u4e2a\u547d\u4ee4\u7f16\u8bd1\u8fd0\u884c\u6e90\u4ee3\u7801<\/li>\n<\/ul>\n<p>JVM\u76f8\u5173\uff1a<br \/>\n\u5f15\u5165\u4e86\u5b9e\u9a8c\u6027\u7684<strong>ZGC<\/strong><\/p>\n<h2 id=\"%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\" class=\"mume-header\">\u53c2\u8003\u8d44\u6599<\/h2>\n<ul>\n<li><a href=\"https:\/\/blog.csdn.net\/qq_27256783\/article\/details\/98869743\">java\u5404\u4e2a\u7248\u672c\u65b0\u7279\u6027\u4ecb\u7ecd<\/a><\/li>\n<li><a href=\"https:\/\/juejin.im\/post\/5d5950806fb9a06b0a277412\">\u804a\u804a Java8 \u4ee5\u540e\u5404\u4e2a\u7248\u672c\u7684\u65b0\u7279\u6027<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>JDK\u5404\u4e2a\u7248\u672c\u7279\u6027\u901f\u89c8 JDK 1.5 \u5f88\u91cd\u8981\u7684\u4e00\u4e2a\u7248\u672c\u3002 \u66f4\u65b0\u4e86Java\u5185\u5b58\u6a21\u578b\uff08JMM\uff09 \u589e\u5f3avolati <a href='http:\/\/prayerlaputa.com\/?p=816' class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[6],"tags":[33],"_links":{"self":[{"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/posts\/816"}],"collection":[{"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=816"}],"version-history":[{"count":2,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/posts\/816\/revisions"}],"predecessor-version":[{"id":819,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=\/wp\/v2\/posts\/816\/revisions\/819"}],"wp:attachment":[{"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=816"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/prayerlaputa.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}