{"id":42828,"date":"2025-06-10T08:56:37","date_gmt":"2025-06-10T00:56:37","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/42828.html"},"modified":"2025-06-10T08:56:37","modified_gmt":"2025-06-10T00:56:37","slug":"%e7%a8%8b%e5%ba%8f%e4%ba%ba%e7%94%9f-java%e6%95%b0%e7%bb%84%e5%92%8c%e9%9b%86%e5%90%88%e4%bd%bf%e7%94%a8%e5%bb%ba%e8%ae%ae%ef%bc%881%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/42828.html","title":{"rendered":"\u7a0b\u5e8f\u4eba\u751f\u2014\u2014Java\u6570\u7ec4\u548c\u96c6\u5408\u4f7f\u7528\u5efa\u8bae\uff081\uff09"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610005633-684782c1e2fa4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" 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&amp; \u53cd\u5c04Class\u7c7b\u7684\u7c7b\u5bf9\u8c61 &amp; \u521b\u5efa\u5bf9\u8c61\u7684\u51e0\u79cd\u65b9\u5f0f &amp; \u7c7b\u52a0\u8f7d&#xff08;\u4f55\u65f6\u8fdb\u5165\u5185\u5b58JVM&#xff09;&amp; \u6ce8\u89e3 &amp; \u53cd\u5c04&#043;\u6ce8\u89e3\u7684\u6848\u4f8b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610005634-684782c2c15cd.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u521b\u5efa\u5bf9\u8c61\u76844\u79cd\u65b9\u6cd5\u603b\u7ed3<\/h3>\n<p>Java\u8fdb\u9636&#xff08;4&#xff09;\u2014\u2014\u7ed3\u5408\u7c7b\u52a0\u8f7dJVM\u7684\u8fc7\u7a0b\u7406\u89e3\u521b\u5efa\u5bf9\u8c61\u7684\u51e0\u79cd\u65b9\u5f0f&#xff1a;new&#xff0c;\u53cd\u5c04Class&#xff0c;\u514b\u9686clone&#xff08;\u62f7\u8d1d&#xff09;&#xff0c;\u5e8f\u5217\u5316\u53cd\u5e8f\u5217\u5316<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610005635-684782c31c798.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u5783\u573e\u56de\u6536GC<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610005635-684782c3a33ef.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>Java\u8fdb\u9636&#xff08;\u5783\u573e\u56de\u6536GC&#xff09;\u2014\u2014\u7406\u8bba\u7bc7&#xff1a;JVM\u5185\u5b58\u6a21\u578b &amp; \u5783\u573e\u56de\u6536\u5b9a\u4f4d\u6e05\u9664\u7b97\u6cd5 &amp; JVM\u4e2d\u7684\u5783\u573e\u56de\u6536\u5668<\/p>\n<p>\u7b80\u4ecb&#xff1a;\u672c\u7bc7\u535a\u5ba2\u4ecb\u7ecdJVM\u7684\u5185\u5b58\u6a21\u578b&#xff0c;\u5bf9\u6bd4\u4e861.7\u548c1.8\u7684\u5185\u5b58\u6a21\u578b\u7684\u53d8\u5316&#xff1b;\u4ecb\u7ecd\u4e86\u5783\u573e\u56de\u6536\u7684\u8bed\u8a00\u53d1\u5c55&#xff1b;\u9610\u8ff0\u4e86\u5b9a\u4f4d\u5783\u573e\u7684\u65b9\u6cd5&#xff0c;\u5f15\u7528\u8ba1\u6570\u6cd5\u548c\u53ef\u8fbe\u6027\u5206\u6790\u53d1\u4ee5\u53ca\u5783\u573e\u6e05\u9664\u7b97\u6cd5&#xff1b;\u7136\u540e\u4ecb\u7ecd\u4e86Java\u4e2d\u7684\u5783\u573e\u56de\u6536\u5668&#xff0c;\u7531\u4e32\u884c\u3001\u5230\u5e76\u884c\u518d\u5230\u5e76\u53d1&#xff0c;\u6700\u540e\u5230G1\u7684\u6f14\u53d8&#xff1b;\u6700\u540e\u7ed9\u51fa\u4e86\u5783\u573e\u56de\u6536\u5668\u7684\u5bf9\u6bd4\u548c\u4f7f\u7528\u6307\u5f15\u3002<\/p>\n<h3>JVM\u8c03\u4f18&#xff0c;Arthas\u4f7f\u7528<\/h3>\n<ul>\n<li>Java\u8fdb\u9636&#xff08;JVM\u8c03\u4f18&#xff09;\u2014\u2014\u963f\u91cc\u4e91\u7684Arthas\u7684\u4f7f\u7528 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alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u8ba4\u8bc6\u591a\u7ebf\u7a0b<\/h2>\n<h3>\u521b\u5efa\u591a\u7ebf\u7a0b\u65b9\u6cd5&#043;\u4e86\u89e3\u7ebf\u7a0b\u6c60<\/h3>\n<p>Java\u8fdb\u9636&#xff08;5&#xff09;\u2014\u2014\u521b\u5efa\u591a\u7ebf\u7a0b\u7684\u65b9\u6cd5extends Thread\u548cimplements Runnable\u7684\u5bf9\u6bd4 &amp; \u7ebf\u7a0b\u6c60\u53ca\u5e38\u7528\u7684\u7ebf\u7a0b\u6c60<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250610005636-684782c43b491.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u591a\u7ebf\u7a0b\u4e0b-1\u975e\u539f\u5b50\u6027\u95ee\u9898\u5373\u89e3\u51b3<\/h3>\n<p>Java\u8fdb\u9636&#xff08;6&#xff09;\u2014\u2014\u62a2\u8d2d\u95ee\u9898\u4e2d\u7684\u6570\u636e\u4e0d\u5b89\u5168&#xff08;\u975e\u539f\u5b50\u6027\u95ee\u9898&#xff09;&amp; Java\u4e2d\u7684synchronize\u548cReentrantLock\u9501\u4f7f\u7528 &amp; 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\/>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u7a0b\u5e8f\u4eba\u751f\u2014\u2014Java\u6570\u7ec4\u548c\u96c6\u5408\u4f7f\u7528\u5efa\u8bae&#xff08;1&#xff09;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb2.4k\u6b21\uff0c\u70b9\u8d5e21\u6b21\uff0c\u6536\u85cf22\u6b21\u3002\u7a0b\u5e8f\u4eba\u751f\u2014\u2014Java\u6570\u7ec4\u548c\u96c6\u5408\u4f7f\u7528\u5efa\u8bae\uff081\uff09_\u7528\u6570\u7ec4\u8fd8\u662f\u96c6\u5408<\/p>\n","protected":false},"author":2,"featured_media":42819,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3984,99,125,925],"topic":[],"class_list":{"0":"post-42828","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-server","8":"tag-java","10":"tag-125","11":"tag-925"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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