{"id":2926,"date":"2023-07-14T14:51:04","date_gmt":"2023-07-14T06:51:04","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=2926"},"modified":"2023-07-14T14:51:05","modified_gmt":"2023-07-14T06:51:05","slug":"java%e5%91%bd%e4%bb%a4%e5%a4%a7%e5%85%a8","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/java\/java%e5%91%bd%e4%bb%a4%e5%a4%a7%e5%85%a8\/","title":{"rendered":"Java\u547d\u4ee4\u5927\u5168"},"content":{"rendered":"<link rel=\"stylesheet\" href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/kdoc_html_views-1a98987dfd.css\">\n \t<link rel=\"stylesheet\" href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/ck_htmledit_views-25cebea3f9.css\">\n<div id=\"content_views\" class=\"markdown_views prism-dracula\">\n <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path>\n <\/svg><\/p>\n<div class=\"toc\">\n<h3>\u6587\u7ae0\u76ee\u5f55<\/h3>\n<ul>\n<li><a href=\"#Java_4\" target=\"_blank\"  rel=\"nofollow\" >\u5e38\u7528Java\u547d\u4ee4<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#javac_5\" target=\"_blank\"  rel=\"nofollow\" >javac<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#_8\" target=\"_blank\"  rel=\"nofollow\" >\u57fa\u672c\u8bed\u6cd5<\/a><\/li>\n<li><a href=\"#_14\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u793a\u4f8b<\/a><\/li>\n<li><a href=\"#_20\" target=\"_blank\"  rel=\"nofollow\" >\u53c2\u6570\u8bf4\u660e<\/a><\/li>\n<li><a href=\"#_25\" target=\"_blank\"  rel=\"nofollow\" >\u5e38\u89c1\u9009\u9879<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#java_40\" target=\"_blank\"  rel=\"nofollow\" >java<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#_42\" target=\"_blank\"  rel=\"nofollow\" >\u57fa\u672c\u8bed\u6cd5<\/a><\/li>\n<li><a href=\"#_48\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u793a\u4f8b<\/a><\/li>\n<li><a href=\"#_54\" target=\"_blank\"  rel=\"nofollow\" >\u53c2\u6570\u8bf4\u660e<\/a><\/li>\n<li><a href=\"#_62\" target=\"_blank\"  rel=\"nofollow\" >\u5e38\u89c1\u9009\u9879<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#javap_77\" target=\"_blank\"  rel=\"nofollow\" >javap<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#_81\" target=\"_blank\"  rel=\"nofollow\" >\u57fa\u672c\u8bed\u6cd5<\/a><\/li>\n<li><a href=\"#_87\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u793a\u4f8b<\/a><\/li>\n<li><a href=\"#_93\" target=\"_blank\"  rel=\"nofollow\" >\u53c2\u6570\u8bf4\u660e<\/a><\/li>\n<li><a href=\"#_99\" target=\"_blank\"  rel=\"nofollow\" >\u5e38\u89c1\u9009\u9879<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#jar_116\" target=\"_blank\"  rel=\"nofollow\" >jar<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#_119\" target=\"_blank\"  rel=\"nofollow\" >\u57fa\u672c\u8bed\u6cd5<\/a><\/li>\n<li><a href=\"#_123\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u793a\u4f8b<\/a><\/li>\n<li><a href=\"#_127\" target=\"_blank\"  rel=\"nofollow\" >\u53c2\u6570\u8bf4\u660e<\/a><\/li>\n<li><a href=\"#_135\" target=\"_blank\"  rel=\"nofollow\" >\u5e38\u89c1\u9009\u9879<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#javadoc_156\" target=\"_blank\"  rel=\"nofollow\" >javadoc<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#_159\" target=\"_blank\"  rel=\"nofollow\" >\u57fa\u672c\u8bed\u6cd5<\/a><\/li>\n<li><a href=\"#_165\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u793a\u4f8b<\/a><\/li>\n<li><a href=\"#_171\" target=\"_blank\"  rel=\"nofollow\" >\u53c2\u6570\u8bf4\u660e<\/a><\/li>\n<li><a href=\"#_177\" target=\"_blank\"  rel=\"nofollow\" >\u5e38\u89c1\u9009\u9879<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#jps_194\" target=\"_blank\"  rel=\"nofollow\" >jps<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#_197\" target=\"_blank\"  rel=\"nofollow\" >\u57fa\u672c\u8bed\u6cd5<\/a><\/li>\n<li><a href=\"#_203\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u793a\u4f8b<\/a><\/li>\n<li><a href=\"#_209\" target=\"_blank\"  rel=\"nofollow\" >\u53c2\u6570\u8bf4\u660e<\/a><\/li>\n<li><a href=\"#_213\" target=\"_blank\"  rel=\"nofollow\" >\u5e38\u89c1\u9009\u9879<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#jstat_226\" target=\"_blank\"  rel=\"nofollow\" >jstat<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#_229\" target=\"_blank\"  rel=\"nofollow\" >\u57fa\u672c\u8bed\u6cd5<\/a><\/li>\n<li><a href=\"#_235\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u793a\u4f8b<\/a><\/li>\n<li><a href=\"#_241\" target=\"_blank\"  rel=\"nofollow\" >\u53c2\u6570\u8bf4\u660e<\/a><\/li>\n<li><a href=\"#_251\" target=\"_blank\"  rel=\"nofollow\" >\u5e38\u89c1\u9009\u9879<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#jconsole_264\" target=\"_blank\"  rel=\"nofollow\" >jconsole<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#_267\" target=\"_blank\"  rel=\"nofollow\" >\u57fa\u672c\u8bed\u6cd5<\/a><\/li>\n<li><a href=\"#_273\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u793a\u4f8b<\/a><\/li>\n<li><a href=\"#_279\" target=\"_blank\"  rel=\"nofollow\" >\u53c2\u6570\u8bf4\u660e<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"#jstack_288\" target=\"_blank\"  rel=\"nofollow\" >jstack<\/a><\/li>\n<li>\n<ul>\n<li><a href=\"#_291\" target=\"_blank\"  rel=\"nofollow\" >\u57fa\u672c\u8bed\u6cd5<\/a><\/li>\n<li><a href=\"#_297\" target=\"_blank\"  rel=\"nofollow\" >\u4f7f\u7528\u793a\u4f8b<\/a><\/li>\n<li><a href=\"#_311\" target=\"_blank\"  rel=\"nofollow\" >\u53c2\u6570\u8bf4\u660e<\/a><\/li>\n<li><a href=\"#_315\" target=\"_blank\"  rel=\"nofollow\" >\u5e38\u89c1\u9009\u9879<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<hr color=\"#000000\" size=\"1&quot;\">\n<h1><a id=\"Java_4\"><\/a>\u5e38\u7528Java\u547d\u4ee4<\/h1>\n<h2><a id=\"javac_5\"><\/a>javac<\/h2>\n<p>javac\u547d\u4ee4\u7528\u4e8e\u5c06Java\u6e90\u4ee3\u7801\u7f16\u8bd1\u6210Java\u5b57\u8282\u7801\u6587\u4ef6\uff08.class\u6587\u4ef6\uff09\uff0c\u4ee5\u4fbf\u5728Java\u865a\u62df\u673a\uff08JVM\uff09\u4e0a\u8fd0\u884c\u3002<\/p>\n<h3><a id=\"_8\"><\/a>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<pre><code class=\"prism language-powershell\">javac <span class=\"token namespace\">[options]<\/span> source_file<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span>\n<\/code><\/pre>\n<h3><a id=\"_14\"><\/a>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<pre><code class=\"prism language-powershell\">javac HelloWorld<span class=\"token punctuation\">.<\/span>java\n<\/code><\/pre>\n<h3><a id=\"_20\"><\/a>\u53c2\u6570\u8bf4\u660e<\/h3>\n<ul>\n<li>options\uff1ajavac\u547d\u4ee4\u63d0\u4f9b\u4e86\u591a\u4e2a\u9009\u9879\u6765\u63a7\u5236\u7f16\u8bd1\u8fc7\u7a0b\u548c\u751f\u6210\u7684\u5b57\u8282\u7801\u6587\u4ef6\u7684\u884c\u4e3a\u3002\u53ef\u4ee5\u4f7f\u7528javac -help\u67e5\u770b\u6240\u6709\u9009\u9879\u53ca\u5176\u8bf4\u660e\u3002<\/li>\n<li>source_file(s)\uff1a\u6307\u5b9a\u8981\u7f16\u8bd1\u7684\u6e90\u4ee3\u7801\u6587\u4ef6\u7684\u8def\u5f84\u3002\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\uff08*\uff09\u6765\u7f16\u8bd1\u6574\u4e2a\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709Java\u6587\u4ef6\u3002\u4f8b\u5982\uff0cjavac *.java\u4f1a\u540c\u65f6\u7f16\u8bd1\u5f53\u524d\u76ee\u5f55\u4e2d\u7684\u6240\u6709Java\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h3><a id=\"_25\"><\/a>\u5e38\u89c1\u9009\u9879<\/h3>\n<ul>\n<li>-d directory\uff1a\u6307\u5b9a\u7f16\u8bd1\u751f\u6210\u7684.class\u6587\u4ef6\u7684\u8f93\u51fa\u76ee\u5f55\u3002<\/li>\n<li>-classpath path\uff1a\u6307\u5b9a\u53ef\u4f9b\u7f16\u8bd1\u5668\u4f7f\u7528\u7684\u7c7b\u8def\u5f84\u3002<\/li>\n<li>-source version\uff1a\u6307\u5b9a\u8981\u7f16\u8bd1\u7684Java\u6e90\u4ee3\u7801\u7684\u7248\u672c\uff08\u4f8b\u5982\uff0c-source 8\u8868\u793a\u4f7f\u7528Java 8\u7684\u8bed\u8a00\u529f\u80fd\u8fdb\u884c\u7f16\u8bd1\uff09\u3002<\/li>\n<li>-target version\uff1a\u6307\u5b9a\u8981\u751f\u6210\u7684\u5b57\u8282\u7801\u6587\u4ef6\u7684Java\u7248\u672c\uff08\u4f8b\u5982\uff0c-target 1.8\u8868\u793a\u8981\u751f\u6210\u9002\u7528\u4e8eJava 8\u7684\u5b57\u8282\u7801\u6587\u4ef6\uff09\u3002<\/li>\n<li>-Xlint\uff1a\u542f\u7528\u7f16\u8bd1\u5668\u8b66\u544a\u6d88\u606f\u3002<\/li>\n<li>-verbose\uff1a\u663e\u793a\u7f16\u8bd1\u5668\u7684\u8be6\u7ec6\u8f93\u51fa\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<p>javac\u547d\u4ee4\u662f\u7f16\u5199\u548c\u7f16\u8bd1Java\u4ee3\u7801\u7684\u5fc5\u5907\u5de5\u5177\u4e4b\u4e00\u3002\u638c\u63e1\u5176\u7528\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u597d\u5730\u8fdb\u884cJava\u5f00\u53d1\u548c\u8c03\u8bd5\u3002<\/p>\n<h2><a id=\"java_40\"><\/a>java<\/h2>\n<p>java\u547d\u4ee4\u7528\u4e8e\u542f\u52a8Java\u865a\u62df\u673a\u5e76\u6267\u884cJava\u7a0b\u5e8f\u3002\u4f7f\u7528java\u547d\u4ee4\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u4e2d\u76f4\u63a5\u8fd0\u884c\u7f16\u8bd1\u540e\u7684Java\u7a0b\u5e8f\u3002<\/p>\n<h3><a id=\"_42\"><\/a>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<pre><code class=\"prism language-powershell\">java <span class=\"token namespace\">[options]<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token namespace\">[args...]<\/span>\n<\/code><\/pre>\n<h3><a id=\"_48\"><\/a>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<pre><code class=\"prism language-powershell\">java HelloWorld\n<\/code><\/pre>\n<h3><a id=\"_54\"><\/a>\u53c2\u6570\u8bf4\u660e<\/h3>\n<ul>\n<li>options\uff1aJava\u547d\u4ee4\u63d0\u4f9b\u4e86\u591a\u4e2a\u9009\u9879\u6765\u63a7\u5236Java\u865a\u62df\u673a\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u884c\u4e3a\u3002\u53ef\u4ee5\u4f7f\u7528java -help\u67e5\u770b\u6240\u6709\u9009\u9879\u53ca\u5176\u8bf4\u660e\u3002<\/li>\n<li>class\uff1a\u8981\u8fd0\u884c\u7684Java\u7c7b\u540d\u3002<\/li>\n<li>args\u2026\uff1a\u4f20\u9012\u7ed9\u4e3b\u65b9\u6cd5\u7684\u53c2\u6570\u3002\u8fd9\u4e9b\u53c2\u6570\u5c06\u4f5c\u4e3a\u5b57\u7b26\u4e32\u6570\u7ec4\u4f20\u9012\u7ed9main()\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<h3><a id=\"_62\"><\/a>\u5e38\u89c1\u9009\u9879<\/h3>\n<ul>\n<li>-classpath path\uff1a\u6307\u5b9aJava\u865a\u62df\u673a\u5e94\u8be5\u641c\u7d22\u7c7b\u6587\u4ef6\u7684\u8def\u5f84\u3002\u4e0ejavac\u7f16\u8bd1\u5668\u9009\u9879-cp\u76f8\u540c\u3002<\/li>\n<li>-Xmx size\uff1a\u6307\u5b9a\u5806\u5927\u5c0f\u7684\u6700\u5927\u503c\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u3002\u4f8b\u5982\uff0c-Xmx1024m\u8868\u793a\u5806\u5927\u5c0f\u7684\u6700\u5927\u503c\u4e3a1024 MB\u3002<\/li>\n<li>-Xms size\uff1a\u6307\u5b9a\u521d\u59cb\u5806\u5927\u5c0f\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u3002<\/li>\n<li>-version\uff1a\u67e5\u770bJava\u7248\u672c\u4fe1\u606f\u3002<\/li>\n<li>-jar file\uff1a\u6267\u884c\u6307\u5b9a\u7684JAR\u6587\u4ef6\u3002<\/li>\n<li>-Dproperty=value\uff1a\u8bbe\u7f6e\u7cfb\u7edf\u5c5e\u6027\u3002\u4f8b\u5982\uff0c-Djava.awt.headless=true\u8868\u793a\u542f\u7528\u65e0\u5934\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>java\u547d\u4ee4\u662fJava\u5f00\u53d1\u548c\u8c03\u8bd5\u7684\u91cd\u8981\u5de5\u5177\u4e4b\u4e00\u3002\u719f\u7ec3\u638c\u63e1\u5176\u7528\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u597d\u5730\u7f16\u5199\u548c\u8fd0\u884cJava\u7a0b\u5e8f\u3002<\/p>\n<h2><a id=\"javap_77\"><\/a>javap<\/h2>\n<p>javap\u547d\u4ee4\u7528\u4e8e\u67e5\u770b\u7f16\u8bd1\u540e\u7684Java\u7c7b\u6587\u4ef6\u7684\u4fe1\u606f\u3002\u5b83\u53ef\u4ee5\u89e3\u6790\u5b57\u8282\u7801\u6587\u4ef6\uff0c\u5e76\u663e\u793a\u6709\u5173\u7c7b\u53ca\u5176\u6210\u5458\u7684\u4fe1\u606f\u3002<\/p>\n<h3><a id=\"_81\"><\/a>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<pre><code class=\"prism language-powershell\">javap <span class=\"token namespace\">[options]<\/span> <span class=\"token keyword\">class<\/span>\n<\/code><\/pre>\n<h3><a id=\"_87\"><\/a>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<pre><code class=\"prism language-powershell\">javap HelloWorld\n<\/code><\/pre>\n<h3><a id=\"_93\"><\/a>\u53c2\u6570\u8bf4\u660e<\/h3>\n<ul>\n<li>options\uff1ajavap\u547d\u4ee4\u63d0\u4f9b\u4e86\u591a\u4e2a\u9009\u9879\u6765\u63a7\u5236\u8f93\u51fa\u7684\u5185\u5bb9\u548c\u683c\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528javap -help\u67e5\u770b\u6240\u6709\u9009\u9879\u53ca\u5176\u8bf4\u660e\u3002<\/li>\n<li>class\uff1a\u8981\u67e5\u770b\u7684\u7c7b\u540d\u3002\u8be5\u7c7b\u5fc5\u987b\u5df2\u7ecf\u7f16\u8bd1\u6210.class\u6587\u4ef6\uff0c\u5426\u5219javap\u5c06\u65e0\u6cd5\u89e3\u6790\u5b83\u3002<\/li>\n<\/ul>\n<h3><a id=\"_99\"><\/a>\u5e38\u89c1\u9009\u9879<\/h3>\n<ul>\n<li>-c\uff1a\u4ee5\u6307\u4ee4\u5217\u8868\u7684\u5f62\u5f0f\u6253\u5370\u4ee3\u7801\u3002\u8fd9\u5bf9\u4e8e\u7279\u5b9a\u7684\u201cbytecode hacking\u201d\u4efb\u52a1\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li>-l\uff1a\u4ee5\u884c\u53f7\u548c\u672c\u5730\u53d8\u91cf\u8868\u7684\u5f62\u5f0f\u6253\u5370\u4ee3\u7801\u3002<\/li>\n<li>-s\uff1a\u8f93\u51fa\u5185\u90e8\u7c7b\u578b\u7b7e\u540d\u3002<\/li>\n<li>-verbose\uff1a\u4ee5\u66f4\u8be6\u7ec6\u7684\u65b9\u5f0f\u8f93\u51fa\u7c7b\u4fe1\u606f\u3002<\/li>\n<li>-classpath path\uff1a\u6307\u5b9a\u7c7b\u8def\u5f84\u548c\u641c\u7d22\u4f4d\u7f6e\u3002<\/li>\n<li>-J\uff1a\u5411Java\u865a\u62df\u673a\u4f20\u9012\u9009\u9879\u3002\u4f8b\u5982\uff0c-J-Xms1024m\u4f1a\u8bbe\u7f6e\u6700\u5c0f\u5806\u5927\u5c0f\u4e3a1024 MB\u3002<\/li>\n<li>-constants\uff1a\u53ea\u663e\u793a\u5e38\u91cf\u6c60\u4e2d\u7684\u5e38\u91cf\uff0c\u800c\u4e0d\u663e\u793a\u65b9\u6cd5\u4f53\u7684\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528javap\u547d\u4ee4\u53ef\u4ee5\u67e5\u770bJava\u7c7b\u7684\u5b57\u8282\u7801\u4fe1\u606f\uff0c\u5305\u62ec\u7c7b\u540d\u3001\u7236\u7c7b\u3001\u63a5\u53e3\u3001\u6784\u9020\u51fd\u6570\u3001\u5b57\u6bb5\u3001\u65b9\u6cd5\u540d\u79f0\u548c\u63cf\u8ff0\u7b26\u7b49\u3002\u719f\u7ec3\u638c\u63e1javap\u547d\u4ee4\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u597d\u5730\u7406\u89e3Java\u5e94\u7528\u7a0b\u5e8f\u7684\u5de5\u4f5c\u539f\u7406\uff0c\u5e76\u8fdb\u4e00\u6b65\u4e86\u89e3Java\u865a\u62df\u673a\u7684\u5185\u90e8\u7ed3\u6784\u3002<\/p>\n<h2><a id=\"jar_116\"><\/a>jar<\/h2>\n<p>jar\u547d\u4ee4\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406JAR\u683c\u5f0f\u7684\u5f52\u6863\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u89e3\u538b\u7f29\u5305\u548c\u5bf9JAR\u6587\u4ef6\u8fdb\u884c\u7b7e\u540d\u7b49\u64cd\u4f5c\u3002<\/p>\n<h3><a id=\"_119\"><\/a>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<p>jar [options] archive_file file(s)<\/p>\n<h3><a id=\"_123\"><\/a>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<p>jar cf myJar.jar *.class<\/p>\n<h3><a id=\"_127\"><\/a>\u53c2\u6570\u8bf4\u660e<\/h3>\n<ul>\n<li>options\uff1ajar\u547d\u4ee4\u63d0\u4f9b\u4e86\u591a\u4e2a\u9009\u9879\u6765\u63a7\u5236\u751f\u6210\u7684JAR\u6587\u4ef6\u7684\u5185\u5bb9\u548c\u884c\u4e3a\u3002\u53ef\u4ee5\u4f7f\u7528jar -help\u67e5\u770b\u6240\u6709\u9009\u9879\u53ca\u5176\u8bf4\u660e\u3002<\/li>\n<li>archive_file\uff1a\u751f\u6210\u7684JAR\u6587\u4ef6\u7684\u540d\u79f0\u3002<\/li>\n<li>file(s)\uff1a\u9700\u8981\u6dfb\u52a0\u5230JAR\u6587\u4ef6\u4e2d\u7684\u6587\u4ef6\u6216\u76ee\u5f55\u5217\u8868\u3002<\/li>\n<\/ul>\n<h3><a id=\"_135\"><\/a>\u5e38\u89c1\u9009\u9879<\/h3>\n<ul>\n<li>c\uff1a\u8868\u793a\u65b0\u5efa\u4e00\u4e2aJAR\u6587\u4ef6\u3002<\/li>\n<li>f\uff1a\u6307\u5b9aJAR\u6587\u4ef6\u7684\u6587\u4ef6\u540d\u4ee5\u53ca\u53ef\u9009\u8def\u5f84<\/li>\n<li>v\uff1a\u8f93\u51fa\u751f\u6210\u8fc7\u7a0b\u4e2d\u5904\u7406\u7684\u6587\u4ef6\u5217\u8868\u3002<\/li>\n<li>m\uff1a\u8868\u793a\u9700\u8981\u4fdd\u7559manifest\u6587\u4ef6\u3002<\/li>\n<li>x\uff1a\u4eceJAR\u6587\u4ef6\u4e2d\u63d0\u53d6\u6307\u5b9a\u7684\u6587\u4ef6\u3002<\/li>\n<li>t\uff1a\u5217\u51faJAR\u6587\u4ef6\u4e2d\u5b58\u50a8\u7684\u6587\u4ef6\u3002<\/li>\n<li>u\uff1a \u66f4\u65b0\u73b0\u6709\u7684JAR\u6587\u4ef6\u4e2d\u7684\u6587\u4ef6\u3002<\/li>\n<li>i\uff1a\u4e3a\u5df2\u6709\u7684JAR\u6587\u4ef6\u521b\u5efa\u7d22\u5f15\u6587\u4ef6<\/li>\n<\/ul>\n<p>\u4f7f\u7528jar\u547d\u4ee4\u8fd8\u53ef\u4ee5\u5bf9JAR\u6587\u4ef6\u8fdb\u884c\u7b7e\u540d\uff0c\u4ee5\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u88ab\u7be1\u6539\u3002\u6b64\u5916\uff0c\u5728\u53d1\u5e03Java\u7a0b\u5e8f\u65f6\uff0c\u5c06\u4ee3\u7801\u6253\u5305\u6210\u4e00\u4e2aJAR\u6587\u4ef6\u4e5f\u662f\u5f88\u5e38\u89c1\u7684\u505a\u6cd5\uff0c\u4ee5\u4fbf\u7b80\u5316\u90e8\u7f72\u548c\u5206\u53d1\u8fc7\u7a0b\u3002<\/p>\n<p>jar\u547d\u4ee4\u662fJava\u5f00\u53d1\u548c\u90e8\u7f72\u7684\u91cd\u8981\u5de5\u5177\u4e4b\u4e00\u3002\u719f\u7ec3\u638c\u63e1\u5176\u7528\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u597d\u5730\u7ba1\u7406JAR\u6587\u4ef6\u548cJava\u7a0b\u5e8f\u7684\u90e8\u7f72\u3002<\/p>\n<h2><a id=\"javadoc_156\"><\/a>javadoc<\/h2>\n<p>javadoc\u547d\u4ee4\u7528\u4e8e\u751f\u6210Java\u6587\u6863\u3002\u5b83\u53ef\u4ee5\u5206\u6790\u6e90\u4ee3\u7801\u4e2d\u7684\u6ce8\u91ca\uff0c\u5e76\u4ee5HTML\u683c\u5f0f\u8f93\u51faAPI\u6587\u6863\u3002<\/p>\n<h3><a id=\"_159\"><\/a>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<pre><code class=\"prism language-powershell\">javadoc <span class=\"token namespace\">[options]<\/span> source_file<span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span>\n<\/code><\/pre>\n<h3><a id=\"_165\"><\/a>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<pre><code class=\"prism language-powershell\">javadoc HelloWorld<span class=\"token punctuation\">.<\/span>java\n<\/code><\/pre>\n<h3><a id=\"_171\"><\/a>\u53c2\u6570\u8bf4\u660e<\/h3>\n<ul>\n<li>options\uff1ajavadoc\u547d\u4ee4\u63d0\u4f9b\u4e86\u591a\u4e2a\u9009\u9879\u6765\u63a7\u5236\u751f\u6210\u7684\u6587\u6863\u5185\u5bb9\u548c\u683c\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528javadoc -help\u67e5\u770b\u6240\u6709\u9009\u9879\u53ca\u5176\u8bf4\u660e\u3002<\/li>\n<li>source_file(s)\uff1a\u6307\u5b9a\u8981\u751f\u6210\u6587\u6863\u7684\u6e90\u4ee3\u7801\u6587\u4ef6\u7684\u8def\u5f84\u3002\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\uff08*\uff09\u6765\u751f\u6210\u6574\u4e2a\u6587\u4ef6\u5939\u4e2d\u7684\u6240\u6709\u6e90\u6587\u4ef6\u6587\u6863\u3002<\/li>\n<\/ul>\n<h3><a id=\"_177\"><\/a>\u5e38\u89c1\u9009\u9879<\/h3>\n<ul>\n<li>-d directory\uff1a\u6307\u5b9a\u751f\u6210\u6587\u6863\u7684\u8f93\u51fa\u76ee\u5f55\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9a\uff0c\u5219\u9ed8\u8ba4\u5728\u5f53\u524d\u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a\u201cdoc\u201d\u7684\u6587\u4ef6\u5939\u3002<\/li>\n<li>-classpath path\uff1a\u6307\u5b9a\u53ef\u4f9bjavadoc\u4f7f\u7528\u7684\u7c7b\u8def\u5f84\u3002<\/li>\n<li>-subpackages pkg1:pkg2:\u2026\uff1a\u6307\u5b9a\u9700\u8981\u5305\u62ec\u7684\u5b50\u5305\u3002<\/li>\n<li>-private\uff1a\u751f\u6210\u79c1\u6709\u6210\u5458\u6587\u6863\u3002<\/li>\n<li>-sourcepath path\uff1a\u6307\u5b9a\u6e90\u6587\u4ef6\u7684\u641c\u7d22\u8def\u5f84\u3002\u8fd9\u5bf9\u4e8e\u5728\u4e0d\u540c\u7684\u76ee\u5f55\u4e2d\u4f7f\u7528\u6e90\u6587\u4ef6\u975e\u5e38\u6709\u7528\u3002<\/li>\n<li>-author\uff1a\u5728\u751f\u6210\u7684\u6587\u6863\u4e2d\u5305\u542b\u4f5c\u8005\u4fe1\u606f\u3002<\/li>\n<li>-version\uff1a\u5728\u751f\u6210\u7684\u6587\u6863\u4e2d\u5305\u542b\u7248\u672c\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528javadoc\u547d\u4ee4\u53ef\u4ee5\u5feb\u901f\u751f\u6210Java API\u6587\u6863\uff0c\u65b9\u4fbf\u9605\u8bfb\u548c\u4f7f\u7528\u3002\u7f16\u5199\u6e05\u6670\u660e\u4e86\u7684\u6ce8\u91ca\u5e76\u751f\u6210API\u6587\u6863\u662fJava\u5f00\u53d1\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u8fc7\u7a0b\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u65b9\u4fbf\u56e2\u961f\u534f\u4f5c\u3002<\/p>\n<h2><a id=\"jps_194\"><\/a>jps<\/h2>\n<p>jps\u547d\u4ee4\u7528\u4e8e\u5217\u51fa\u5f53\u524d\u7cfb\u7edf\u4e2d\u6b63\u5728\u8fd0\u884c\u7684Java\u8fdb\u7a0b\u3002\u5b83\u53ef\u4ee5\u663e\u793a\u6b63\u5728\u8fd0\u884c\u7684Java\u865a\u62df\u673a\uff08JVM\uff09\u4ee5\u53ca\u5b83\u4eec\u7684\u8fdb\u7a0bID\u3002<\/p>\n<h3><a id=\"_197\"><\/a>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<pre><code class=\"prism language-powershell\">jps <span class=\"token namespace\">[options]<\/span>\n<\/code><\/pre>\n<h3><a id=\"_203\"><\/a>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<pre><code class=\"prism language-powershell\">jps <span class=\"token operator\">-<\/span>v\n<\/code><\/pre>\n<h3><a id=\"_209\"><\/a>\u53c2\u6570\u8bf4\u660e<\/h3>\n<ul>\n<li>options\uff1ajps\u547d\u4ee4\u63d0\u4f9b\u4e86\u591a\u4e2a\u9009\u9879\u6765\u63a7\u5236\u8f93\u51fa\u7684\u5185\u5bb9\u548c\u683c\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528jps -help\u67e5\u770b\u6240\u6709\u9009\u9879\u53ca\u5176\u8bf4\u660e\u3002<\/li>\n<\/ul>\n<h3><a id=\"_213\"><\/a>\u5e38\u89c1\u9009\u9879<\/h3>\n<ul>\n<li>-q\uff1a\u53ea\u663e\u793a\u8fdb\u7a0bID\uff0c\u800c\u4e0d\u663e\u793aJVM\u540d\u79f0\u3002<\/li>\n<li>-m\uff1a\u663e\u793a\u542f\u52a8\u65f6\u4f20\u9012\u7ed9\u4e3b\u7c7b\u7684\u53c2\u6570\u3002<\/li>\n<li>-l\uff1a\u663e\u793a\u4e3b\u7c7b\u7684\u5b8c\u5168\u9650\u5b9a\u540d\u4ee5\u53ca\u4f20\u9012\u7ed9\u4e3b\u7c7b\u7684\u53c2\u6570\u3002<\/li>\n<li>-v\uff1a\u663e\u793aJVM\u542f\u52a8\u65f6\u7684\u547d\u4ee4\u884c\u4fe1\u606f\u3002<\/li>\n<li>-V\uff1a\u663e\u793ajps\u7248\u672c\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528jps\u547d\u4ee4\u53ef\u4ee5\u5feb\u901f\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e2d\u6b63\u5728\u8fd0\u884c\u7684Java\u8fdb\u7a0b\uff0c\u5e76\u83b7\u53d6\u5b83\u4eec\u7684\u8fdb\u7a0bID\uff0c\u7528\u4e8e\u5728\u9700\u8981\u65f6\u7ba1\u7406\u6216\u8bca\u65adJava\u5e94\u7528\u7a0b\u5e8f\u3002jps\u547d\u4ee4\u975e\u5e38\u7b80\u5355\u5b9e\u7528\uff0c\u4f46\u5bf9\u4e8e\u51e0\u4e4e\u6240\u6709\u7684Java\u5e94\u7528\u90fd\u4f1a\u8d77\u5230\u5e2e\u52a9\u4f5c\u7528\u3002<\/p>\n<h2><a id=\"jstat_226\"><\/a>jstat<\/h2>\n<p>jstat\u547d\u4ee4\u7528\u4e8e\u76d1\u89c6Java\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u5b83\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u9009\u9879\u6253\u5370\u51faJava\u865a\u62df\u673a\uff08JVM\uff09\u4e2d\u5404\u4e2a\u5185\u90e8\u7ec4\u4ef6\u7684\u6027\u80fd\u7edf\u8ba1\u6570\u636e\u3002<\/p>\n<h3><a id=\"_229\"><\/a>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<pre><code class=\"prism language-powershell\">jstat <span class=\"token namespace\">[options]<\/span> pid <span class=\"token namespace\">[interval [count]]<\/span>\n<\/code><\/pre>\n<h3><a id=\"_235\"><\/a>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<pre><code class=\"prism language-powershell\">jstat <span class=\"token operator\">-<\/span>gcutil 1234\n<\/code><\/pre>\n<h3><a id=\"_241\"><\/a>\u53c2\u6570\u8bf4\u660e<\/h3>\n<ul>\n<li>options\uff1ajstat\u547d\u4ee4\u63d0\u4f9b\u4e86\u591a\u4e2a\u9009\u9879\u6765\u63a7\u5236\u8f93\u51fa\u7684\u5185\u5bb9\u548c\u683c\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528jstat -options\u67e5\u770b\u6240\u6709\u9009\u9879\u53ca\u5176\u8bf4\u660e\u3002<\/li>\n<li>pid\uff1a\u6b63\u5728\u8fd0\u884c\u7684Java\u8fdb\u7a0bID\uff08\u53ef\u4ee5\u4f7f\u7528jps\u547d\u4ee4\u83b7\u53d6\uff09\u3002<\/li>\n<li>interval\uff1a\u53ef\u9009\u53c2\u6570\uff0c\u6307\u5b9a\u4e24\u6b21\u91c7\u6837\u4e4b\u95f4\u7684\u65f6\u95f4\u95f4\u9694\uff08\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\uff09\u3002\u5982\u679c\u7701\u7565\uff0c\u5219\u9ed8\u8ba4\u4e3a1\u79d2\u3002<\/li>\n<li>count\uff1a\u53ef\u9009\u53c2\u6570\uff0c\u6307\u5b9a\u91c7\u6837\u6b21\u6570\u3002\u5982\u679c\u7701\u7565\uff0c\u5219\u9ed8\u8ba4\u4e3a\u65e0\u9650\u6b21\u3002<\/li>\n<\/ul>\n<h3><a id=\"_251\"><\/a>\u5e38\u89c1\u9009\u9879<\/h3>\n<ul>\n<li>-class\uff1a\u663e\u793a\u7c7b\u52a0\u8f7d\u3001\u5378\u8f7d\u60c5\u51b5\u4ee5\u53ca\u6301\u6709\u7c7b\u52a0\u8f7d\u5668\u7684\u5185\u5b58\u6c60\u7684\u5bb9\u91cf\u3002<\/li>\n<li>-compiler\uff1a\u663e\u793aJIT\u7f16\u8bd1\u5668\u7f16\u8bd1\u4ee3\u7801\u7684\u65b9\u6cd5\u4ee5\u53ca\u7f16\u8bd1\u65f6\u95f4\u3002<\/li>\n<li>-gc\uff1a\u663e\u793a\u5404\u4e2a\u5185\u5b58\u6c60\u7684\u4f7f\u7528\u60c5\u51b5\u3001\u7533\u8bf7\u5185\u5b58\u3001\u91ca\u653e\u5185\u5b58\u60c5\u51b5\u7b49\u4fe1\u606f\u3002<\/li>\n<li>-gccapacity\uff1a\u663e\u793a\u6574\u4e2a\u5806\uff08\u5305\u62ec\u65b0\u751f\u4ee3\u548c\u8001\u5e74\u4ee3\uff09\u548c\u5404\u4e2a\u5185\u5b58\u6c60\u7684\u5bb9\u91cf\u4fe1\u606f\u3002<\/li>\n<li>-gcutil\uff1a\u663e\u793a\u6574\u4e2a\u5806\uff08\u5305\u62ec\u65b0\u751f\u4ee3\u548c\u8001\u5e74\u4ee3\uff09\u548c\u5404\u4e2a\u5185\u5b58\u6c60\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528jstat\u547d\u4ee4\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770bJava\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u72b6\u51b5\uff0c\u4f8b\u5982\u5806\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3001\u7c7b\u52a0\u8f7d\u5668\u7684\u72b6\u6001\u3001JIT\u7f16\u8bd1\u5668\u8fd0\u884c\u65f6\u95f4\u7b49\u91cd\u8981\u4fe1\u606f\uff0c\u6709\u52a9\u4e8e\u5f00\u53d1\u4eba\u5458\u53ca\u65f6\u53d1\u73b0\u6027\u80fd\u95ee\u9898\u5e76\u8fdb\u884c\u4f18\u5316\u3002jstat\u547d\u4ee4\u975e\u5e38\u7075\u6d3b\uff0c\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u9009\u9879\u8fdb\u884c\u914d\u7f6e\uff0c\u65b9\u4fbf\u83b7\u53d6\u9700\u8981\u7684\u6570\u636e\u3002<\/p>\n<h2><a id=\"jconsole_264\"><\/a>jconsole<\/h2>\n<p>jconsole\u547d\u4ee4\u662fJava\u5f00\u53d1\u73af\u5883\uff08JDK\uff09\u81ea\u5e26\u7684\u56fe\u5f62\u5316\u76d1\u89c6\u5de5\u5177\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53cb\u597d\u7684\u7528\u6237\u754c\u9762\uff0c\u7528\u4e8e\u53ef\u89c6\u5316\u5730\u76d1\u63a7\u548c\u7ba1\u7406Java\u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u53ef\u4ee5\u5b9e\u65f6\u663e\u793aJava\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u6307\u6807\u3001\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3001\u7ebf\u7a0b\u72b6\u6001\u7b49\u4fe1\u606f\uff0c\u8fd8\u53ef\u4ee5\u8fdb\u884c\u8fdc\u7a0b\u76d1\u63a7\u3002<\/p>\n<h3><a id=\"_267\"><\/a>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<pre><code class=\"prism language-powershell\">jconsole <span class=\"token namespace\">[optionally, hostname:port or service:jmx:rmi:\/\/\/\u2026]<\/span>\n<\/code><\/pre>\n<h3><a id=\"_273\"><\/a>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<pre><code class=\"prism language-powershell\">jconsole\n<\/code><\/pre>\n<h3><a id=\"_279\"><\/a>\u53c2\u6570\u8bf4\u660e<\/h3>\n<ul>\n<li>optionally, hostname:port or service:jmx:rmi:\/\/\/\u2026\uff1a\u53ef\u9009\u53c2\u6570\uff0c\u7528\u4e8e\u8fde\u63a5\u5230\u8981\u76d1\u63a7\u7684Java\u8fdb\u7a0b\u3002\u5982\u679c\u5ffd\u7565\u6b64\u53c2\u6570\uff0c\u5219\u4f1a\u6253\u5f00\u4e00\u4e2a\u5bf9\u8bdd\u6846\uff0c\u5141\u8bb8\u60a8\u9009\u62e9\u8981\u76d1\u89c6\u7684\u8fdb\u7a0b\u3002<\/li>\n<\/ul>\n<p>\u4f7f\u7528jconsole\u547d\u4ee4\u53ef\u4ee5\u542f\u52a8Java\u865a\u62df\u673a\uff08JVM\uff09\uff0c\u5e76\u4ee5\u56fe\u5f62\u5316\u7684\u65b9\u5f0f\u76d1\u89c6JVM\u7684\u8fd0\u884c\u72b6\u51b5\u3002\u56fe\u5f62\u754c\u9762\u4e2d\u63d0\u4f9b\u4e86\u5404\u79cd\u76d1\u89c6\u9762\u677f\uff0c\u5c55\u793a\u5f53\u524dJVM\u7684CPU\u4f7f\u7528\u7387\u3001\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3001GC\u72b6\u6001\u7b49\uff0c\u540c\u65f6\u53ef\u4ee5\u67e5\u770b\u7ebf\u7a0b\u3001\u7c7b\u3001MBean\u7b49\u4fe1\u606f\u3002<\/p>\n<p>\u9664\u6b64\u4e4b\u5916\uff0cjconsole\u8fd8\u63d0\u4f9b\u4e86\u5e38\u89c4\u64cd\u4f5c\u7ba1\u7406Java\u5e94\u7528\u7a0b\u5e8f\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u89c2\u5bdf\u5783\u573e\u56de\u6536\u3001\u67e5\u770b\u5806\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3001\u5206\u6790\u7ebf\u7a0b\u7684\u6267\u884c\u60c5\u51b5\u7b49\u3002\u6b64\u5916\uff0c\u5982\u8981\u6dfb\u52a0\u53ef\u6269\u5c55\u6027\uff0c\u5219\u53ef\u4f7f\u7528MBeans\u63a7\u5236\u8fdb\u4e00\u6b65\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>jconsole\u662f\u4e00\u79cd\u529f\u80fd\u9f50\u5168\u3001\u7b80\u5355\u6613\u7528\u7684\u76d1\u63a7\u5de5\u5177\uff0c\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u56e2\u961f\u53ca\u65f6\u53d1\u73b0\u5e76\u89e3\u51b3Java\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<h2><a id=\"jstack_288\"><\/a>jstack<\/h2>\n<p>jstack\u547d\u4ee4\u7528\u4e8e\u67e5\u770bJava\u5e94\u7528\u7a0b\u5e8f\u7684\u7ebf\u7a0b\u4fe1\u606f\u548c\u8c03\u7528\u6808\u4fe1\u606f\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5206\u6790Java\u8fdb\u7a0b\u51fa\u73b0\u5361\u6b7b\u3001\u6b7b\u9501\u7b49\u95ee\u9898\u65f6\u5b9a\u4f4d\u95ee\u9898\u539f\u56e0\u3002<\/p>\n<h3><a id=\"_291\"><\/a>\u57fa\u672c\u8bed\u6cd5<\/h3>\n<pre><code class=\"prism language-powershell\">jstack <span class=\"token punctuation\">[<\/span> option <span class=\"token punctuation\">]<\/span> pid\n<\/code><\/pre>\n<h3><a id=\"_297\"><\/a>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<ul>\n<li>\u67e5\u770bJava\u8fdb\u7a0b\u7684\u7ebf\u7a0b\u5806\u6808\u4fe1\u606f\uff1a\n<pre><code class=\"prism language-powershell\">jstack 1234\n<\/code><\/pre>\n<\/li>\n<li>\u5c06\u7ebf\u7a0b\u5806\u6808\u4fe1\u606f\u8f93\u51fa\u5230\u6307\u5b9a\u7684\u6587\u4ef6\uff1a\n<pre><code class=\"prism language-powershell\">jstack <span class=\"token operator\">-<\/span>F <span class=\"token operator\">-<\/span>l 1234 &gt; java_thread_dump<span class=\"token punctuation\">.<\/span>txt\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<h3><a id=\"_311\"><\/a>\u53c2\u6570\u8bf4\u660e<\/h3>\n<ul>\n<li>F\uff1a\u6307\u5b9a\u5728\u65e0\u54cd\u5e94\u72b6\u6001\u4e0b\u5f3a\u5236\u5bfc\u51fa\u7ebf\u7a0bDump\uff08\u7c7b\u4f3c\u4e8ekill -3 PID\u7684\u6548\u679c\uff09<\/li>\n<li>l\uff1a\u957f\u5217\u8868\u683c\u5f0f\uff0c\u663e\u793a\u66f4\u591a\u7684\u8be6\u60c5\u4fe1\u606f<\/li>\n<\/ul>\n<h3><a id=\"_315\"><\/a>\u5e38\u89c1\u9009\u9879<\/h3>\n<ul>\n<li>F\uff1a\u5f53\u666e\u901a\u8f93\u51fa\u65b9\u5f0f\u5df2\u7ecf\u5931\u6548\u65f6\uff0c\u5f3a\u5236\u8f93\u51fa\u7ebf\u7a0b\u5806\u6808\u4fe1\u606f<\/li>\n<li>l\uff1a\u98ce\u9669\u8f83\u9ad8\uff0c\u9664\u4e86\u7edf\u8ba1\u4fe1\u606f\u5916\uff0c\u8fd8\u4f1a\u6253\u5370\u5173\u4e8e\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u9501\u548c\u76d1\u89c6\u5668\uff08warning\uff09<\/li>\n<li>m\uff1a\u4f1a\u663e\u793a\u6bcf\u4e2a\u7ebf\u7a0b\u5360\u7528\u7684\u5185\u5b58\u60c5\u51b5<\/li>\n<li>h\uff1a\u663e\u793a\u5728\u7ebf\u547d\u4ee4\u5e2e\u52a9<\/li>\n<li>J\uff1a\u76f4\u63a5\u4f20\u9012\u7ed9JVM\u53c2\u6570<\/li>\n<\/ul>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cjstack\u547d\u4ee4\u53ea\u80fd\u83b7\u53d6Java\u8fdb\u7a0b\u5f53\u524d\u7684\u7ebf\u7a0b\u4fe1\u606f\u548c\u8c03\u7528\u6808\u4fe1\u606f\uff0c\u5e76\u4e0d\u80fd\u8bb0\u5f55\u5386\u53f2\u6570\u636e\uff0c\u5982\u679c\u9700\u8981\u8ddf\u8e2aJava\u8fdb\u7a0b\u7684\u5386\u53f2\u6027\u80fd\u6307\u6807\uff0c\u5efa\u8bae\u4f7f\u7528\u5176\u4ed6\u6027\u80fd\u5206\u6790\u5de5\u5177\u3002<\/p>\n<\/div>\n<link href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/markdown_views-98b95bb57c.css\" rel=\"stylesheet\">\n \t<link href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/style-c216769e99.css\" rel=\"stylesheet\">\u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8eCSDN\uff1ahttps:\/\/blog.csdn.net\/JokerLJG\/article\/details\/128954677<\/p>\n","raw":"","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55 \u5e38\u7528Java\u547d\u4ee4 javac \u57fa\u672c\u8bed\u6cd5 \u4f7f\u7528\u793a\u4f8b \u53c2\u6570\u8bf4\u660e \u5e38\u89c1\u9009\u9879 java \u57fa\u672c\u8bed\u6cd5 \u4f7f\u7528\u793a\u4f8b \u53c2\u6570\u8bf4\u660e \u5e38\u89c1\u9009\u9879  &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-2926","post","type-post","status-publish","format-standard","hentry","category-java"],"post_thumbnail_image":"","content_first_image":null,"post_medium_image_300":"","post_thumbnail_image_624":"","post_frist_image":null,"post_medium_image":"","post_large_image":"","post_full_image":"","post_all_images":[],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"Java","post_date":"2023-07-14","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":403,"next_post_id":2928,"next_post_title":"Java\u591a\u7ebf\u7a0b\uff08\u8d85\u8be6\u89e3\uff09","previous_post_id":2924,"previous_post_title":"Java\u7684\u5783\u573e\u56de\u6536\u673a\u5236\u8be6\u89e3\u2014\u2014\u4ece\u5165\u95e8\u5230\u51fa\u571f\uff0c\u5b66\u4e0d\u4f1a\u63a5\u7740\u6765\u780d\u6211\uff01","_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/2926","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2926"}],"version-history":[{"count":0,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/2926\/revisions"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}