{"id":10037,"date":"2023-11-28T21:25:03","date_gmt":"2023-11-28T13:25:03","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10037"},"modified":"2023-12-07T10:44:39","modified_gmt":"2023-12-07T02:44:39","slug":"jvm-you-na-xie-nei-cun-qu-yu-jvm-de-nei-cun-bu-ju","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-you-na-xie-nei-cun-qu-yu-jvm-de-nei-cun-bu-ju\/","title":{"rendered":"JVM\u6709\u54ea\u4e9b\u5185\u5b58\u533a\u57df\uff1f JVM\u7684\u5185\u5b58\u5e03\u5c40\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>Java\u865a\u62df\u673a\u7684\u5185\u5b58\u5212\u5206\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u533a\u57df\uff1a<\/p>\n<h3><a id=\"1%E7%A8%8B%E5%BA%8F%E8%AE%A1%E6%95%B0%E5%99%A8%EF%BC%88-program-counter-register%EF%BC%89%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>1. <strong>\u7a0b\u5e8f\u8ba1\u6570\u5668\uff08Program Counter Register\uff09\uff1a<\/strong><\/h3>\n<ul>\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u8bb0\u5f55\u5f53\u524d\u7ebf\u7a0b\u6267\u884c\u7684\u5b57\u8282\u7801\u6307\u4ee4\u7684\u5730\u5740\uff0c\u7528\u4e8e\u7ebf\u7a0b\u5207\u6362\u548c\u6062\u590d\u6267\u884c\u72b6\u6001\u3002<\/li>\n<li><strong>\u7279\u70b9\uff1a<\/strong> \u7ebf\u7a0b\u79c1\u6709\uff0c\u751f\u547d\u5468\u671f\u4e0e\u7ebf\u7a0b\u76f8\u540c\u3002<\/li>\n<\/ul>\n<h3><a id=\"2-java%E8%99%9A%E6%8B%9F%E6%9C%BA%E6%A0%88%EF%BC%88-java-virtual-machine-stacks%EF%BC%89%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>2. <strong>Java \u865a\u62df\u673a\u6808\uff08Java Virtual Machine Stacks\uff09\uff1a<\/strong><\/h3>\n<ul>\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u5b58\u50a8\u65b9\u6cd5\u7684\u5c40\u90e8\u53d8\u91cf\u3001\u64cd\u4f5c\u6570\u6808\u3001\u52a8\u6001\u94fe\u63a5\u3001\u65b9\u6cd5\u51fa\u53e3\u7b49\u4fe1\u606f\u3002<\/li>\n<li><strong>\u7279\u70b9\uff1a<\/strong> \u7ebf\u7a0b\u79c1\u6709\uff0c\u751f\u547d\u5468\u671f\u4e0e\u7ebf\u7a0b\u76f8\u540c\uff0c\u6bcf\u4e2a\u65b9\u6cd5\u5728\u6267\u884c\u65f6\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u6808\u5e27\u3002<\/li>\n<\/ul>\n<h3><a id=\"3%E6%9C%AC%E5%9C%B0%E6%96%B9%E6%B3%95%E6%A0%88%EF%BC%88-native-method-stack%EF%BC%89%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>3. <strong>\u672c\u5730\u65b9\u6cd5\u6808\uff08Native Method Stack\uff09\uff1a<\/strong><\/h3>\n<ul>\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u4e0e Java \u865a\u62df\u673a\u6808\u7c7b\u4f3c\uff0c\u4f46\u4e3a\u672c\u5730\u65b9\u6cd5\u670d\u52a1\u3002<\/li>\n<li><strong>\u7279\u70b9\uff1a<\/strong> \u7ebf\u7a0b\u79c1\u6709\uff0c\u751f\u547d\u5468\u671f\u4e0e\u7ebf\u7a0b\u76f8\u540c\u3002<\/li>\n<\/ul>\n<h3><a id=\"4-java%E5%A0%86%EF%BC%88-java-heap%EF%BC%89%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>4. <strong>Java \u5806\uff08Java Heap\uff09\uff1a<\/strong><\/h3>\n<ul>\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u5b58\u50a8\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u5305\u62ec\u88ab\u5b9e\u4f8b\u5316\u7684\u7c7b\u3001\u6570\u7ec4\u7b49\u3002<\/li>\n<li><strong>\u7279\u70b9\uff1a<\/strong> \u7ebf\u7a0b\u5171\u4eab\uff0c\u7528\u4e8e\u5b58\u653e\u6240\u6709\u7684\u7c7b\u5b9e\u4f8b\u548c\u6570\u7ec4\uff0c\u88ab\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\u3002<\/li>\n<\/ul>\n<h3><a id=\"5%E6%96%B9%E6%B3%95%E5%8C%BA%EF%BC%88-method-area%EF%BC%89%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>5. <strong>\u65b9\u6cd5\u533a\uff08Method Area\uff09\uff1a<\/strong><\/h3>\n<ul>\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u5b58\u50a8\u7c7b\u7684\u5143\u4fe1\u606f\u3001\u9759\u6001\u53d8\u91cf\u3001\u5e38\u91cf\u3001\u7f16\u8bd1\u5668\u7f16\u8bd1\u540e\u7684\u4ee3\u7801\u7b49\u3002<\/li>\n<li><strong>\u7279\u70b9\uff1a<\/strong> \u7ebf\u7a0b\u5171\u4eab\uff0c\u88ab\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\uff0c\u5b83\u7684\u5927\u5c0f\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570\u8fdb\u884c\u8c03\u6574\u3002<\/li>\n<\/ul>\n<h3><a id=\"6%E8%BF%90%E8%A1%8C%E6%97%B6%E5%B8%B8%E9%87%8F%E6%B1%A0%EF%BC%88-runtime-constant-pool%EF%BC%89%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>6. <strong>\u8fd0\u884c\u65f6\u5e38\u91cf\u6c60\uff08Runtime Constant Pool\uff09\uff1a<\/strong><\/h3>\n<ul>\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u5b58\u653e\u6bcf\u4e2a\u7c7b\u6216\u63a5\u53e3\u7684\u5e38\u91cf\u6c60\u7684\u8fd0\u884c\u65f6\u8868\u793a\u5f62\u5f0f\uff0c\u5305\u62ec\u5404\u79cd\u5b57\u9762\u91cf\u548c\u7b26\u53f7\u5f15\u7528\u3002<\/li>\n<li><strong>\u7279\u70b9\uff1a<\/strong> \u5c5e\u4e8e\u65b9\u6cd5\u533a\u7684\u4e00\u90e8\u5206\u3002<\/li>\n<\/ul>\n<h3><a id=\"7%E7%9B%B4%E6%8E%A5%E5%86%85%E5%AD%98%EF%BC%88-direct-memory%EF%BC%89%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>7. <strong>\u76f4\u63a5\u5185\u5b58\uff08Direct Memory\uff09\uff1a<\/strong><\/h3>\n<ul>\n<li><strong>\u4f5c\u7528\uff1a<\/strong> \u7531\u4e8eJava\u865a\u62df\u673a\u5806\u5185\u5b58\u7ba1\u7406\u673a\u5236\u7684\u9650\u5236\uff0c\u4e00\u4e9b\u9700\u8981\u9891\u7e41\u64cd\u4f5c\u7684\u3001\u7279\u522b\u5927\u7684\u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7\u5728\u5806\u5916\u5206\u914d\u5185\u5b58\u6765\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u7279\u70b9\uff1a<\/strong> \u4e0d\u662fJava\u865a\u62df\u673a\u89c4\u8303\u4e2d\u5b9a\u4e49\u7684\u5185\u5b58\u533a\u57df\uff0c\u4f46\u4e5f\u7ecf\u5e38\u88ab\u5212\u5f52\u5230\u5806\u5916\u5185\u5b58\u3002\u4e0d\u53d7Java\u5806\u5927\u5c0f\u7684\u9650\u5236\u3002<\/li>\n<\/ul>\n<h3><a id=\"jvm%E5%86%85%E5%AD%98%E5%B8%83%E5%B1%80%E7%A4%BA%E6%84%8F%E5%9B%BE%EF%BC%9A\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>JVM \u5185\u5b58\u5e03\u5c40\u793a\u610f\u56fe\uff1a<\/h3>\n<pre><code class=\"language-plain_text\">+-----------------------------------------------+\n|                 Native Memory                  |\n+-----------------------------------------------+\n|                  Direct Memory                 |\n+-----------------------------------------------+\n|                  Method Area                   |\n|                                               |\n|                  Runtime CP                   |\n|-----------------------------------------------|\n|                  Heap (Java)                   |\n|                                               |\n|-----------------------------------------------|\n|                  Java Stacks                   |\n|                                               |\n|-----------------------------------------------|\n|                   PC Registers                 |\n+-----------------------------------------------+\n<\/code><\/pre>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u793a\u610f\u56fe\uff0c\u5b9e\u9645\u7684JVM\u5185\u5b58\u5e03\u5c40\u53ef\u80fd\u56e0\u5177\u4f53\u7684\u865a\u62df\u673a\u5b9e\u73b0\u548c\u542f\u52a8\u53c2\u6570\u7684\u4e0d\u540c\u800c\u6709\u6240\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u65b0\u7684\u5783\u573e\u56de\u6536\u5668\uff08\u5982G1\u6536\u96c6\u5668\uff09\u53ef\u80fd\u5bf9\u5806\u5185\u5b58\u7684\u5212\u5206\u6709\u4e0d\u540c\u7684\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u865a\u62df\u673a\u7684\u5185\u5b58\u5212\u5206\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u533a\u57df\uff1a 1. \u7a0b\u5e8f\u8ba1\u6570\u5668\uff08Program Counter Regist [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119],"tags":[],"class_list":["post-10037","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10037","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=10037"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10037\/revisions"}],"predecessor-version":[{"id":16790,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10037\/revisions\/16790"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10037"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}