{"id":66471,"date":"2025-05-03T17:05:27","date_gmt":"2025-05-03T09:05:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66471\/"},"modified":"2025-05-03T17:05:27","modified_gmt":"2025-05-03T09:05:27","slug":"java%e7%9a%84%e6%95%b0%e7%bb%84%e8%bf%90%e7%ae%97%e9%80%9f%e5%ba%a6%e6%80%8e%e4%b9%88%e6%a0%b7-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66471\/","title":{"rendered":"java\u7684\u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u600e\u4e48\u6837"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u53d7\u4ee5\u4e0b\u56e0\u7d20\u5f71\u54cd\uff1a 1. \u5143\u7d20\u7c7b\u578b\uff1b2. \u6570\u7ec4\u5927\u5c0f\uff1b3. \u8bbf\u95ee\u6a21\u5f0f\uff1b4. jvm \u4f18\u5316\uff1b5. \u5e76\u53d1\u6027\u3002\u603b\u4f53\u800c\u8a00\uff0cjava \u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u5f88\u5feb\uff0c\u5c24\u5176\u662f\u5bf9\u5c0f\u578b\u6570\u7ec4\u548c\u987a\u5e8f\u8bbf\u95ee\u7684\u60c5\u51b5\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111604272367603.jpg\" class=\"aligncenter\" title=\"java\u7684\u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u600e\u4e48\u6837\u63d2\u56fe\" alt=\"java\u7684\u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u600e\u4e48\u6837\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6<\/strong><\/p>\n<p>Java \u4e2d\u6570\u7ec4\u63d0\u4f9b\u4e86\u5feb\u901f\u9ad8\u6548\u7684\u5143\u7d20\u8bbf\u95ee\u548c\u64cd\u4f5c\u3002\u5b83\u4eec\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\u539f\u751f\u6570\u636e\u7ed3\u6784\uff0c\u5b58\u50a8\u5143\u7d20\u5e76\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5b83\u4eec\u3002\u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u53d7\u4ee5\u4e0b\u56e0\u7d20\u5f71\u54cd\uff1a<\/p>\n<p><strong>1. \u5143\u7d20\u7c7b\u578b<\/strong><\/p>\n<p>\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\u5177\u6709\u4e0d\u540c\u7684\u5927\u5c0f\u548c\u5b58\u50a8\u8981\u6c42\u3002\u56e0\u6b64\uff0c\u5bf9\u4e0d\u540c\u7c7b\u578b\u6570\u7ec4\u8fdb\u884c\u7684\u8fd0\u7b97\u901f\u5ea6\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u6574\u6570\u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u6bd4\u5feb\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>2. \u6570\u7ec4\u5927\u5c0f<\/strong><\/p>\n<p>\u6570\u7ec4\u7684\u5927\u5c0f\u4f1a\u5f71\u54cd\u8fd0\u7b97\u901f\u5ea6\u3002\u8f83\u5c0f\u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u5f80\u5f80\u6bd4\u8f83\u5927\u6570\u7ec4\u5feb\u3002\u8fd9\u662f\u56e0\u4e3a Java \u865a\u62df\u673a (JVM) \u53ef\u4ee5\u8f7b\u677e\u5206\u914d\u548c\u8bbf\u95ee\u5c0f\u6570\u7ec4\u7684\u5185\u5b58\u3002<\/p>\n<p><strong>3. \u8bbf\u95ee\u6a21\u5f0f<\/strong><\/p>\n<p>\u987a\u5e8f\u8bbf\u95ee\u6570\u7ec4\uff08\u4ece\u5934\u5230\u5c3e\uff09\u901a\u5e38\u6bd4\u968f\u673a\u8bbf\u95ee\uff08\u8df3\u8dc3\u5f0f\u8bbf\u95ee\uff09\u5feb\u3002\u56e0\u4e3a\u987a\u5e8f\u8bbf\u95ee\u53ef\u4ee5\u5229\u7528 CPU \u7f13\u5b58\u673a\u5236\uff0c\u800c\u968f\u673a\u8bbf\u95ee\u9700\u8981\u989d\u5916\u7684\u5185\u5b58\u8bbf\u95ee\u3002<\/p>\n<p><strong>4. JVM \u4f18\u5316<\/strong><\/p>\n<p>JVM \u53ef\u4ee5\u901a\u8fc7\u5373\u65f6\u7f16\u8bd1 (JIT) \u548c\u5783\u573e\u56de\u6536 (GC) \u7b49\u4f18\u5316\u6765\u63d0\u9ad8\u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u3002JIT \u7f16\u8bd1\u5668\u5c06 Java \u5b57\u8282\u7801\u8f6c\u6362\u4e3a\u673a\u5668\u4ee3\u7801\uff0c\u800c GC \u91ca\u653e\u672a\u4f7f\u7528\u7684\u6570\u7ec4\u5143\u7d20\u7684\u5185\u5b58\u3002<\/p>\n<p><strong>5. \u5e76\u53d1\u6027<\/strong><\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u5728\u5e76\u884c\u73af\u5883\u4e2d\u8bbf\u95ee\u6570\u7ec4\uff0c\u5219\u9700\u8981\u8003\u8651\u3002\u540c\u6b65\u53ef\u4ee5\u9632\u6b62\u6570\u636e\u7ade\u4e89\uff0c\u4f46\u4f1a\u964d\u4f4e\u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u3002<\/p>\n<p><strong>\u603b\u4f53\u800c\u8a00\uff0cJava \u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u5c0f\u578b\u6570\u7ec4\u548c\u987a\u5e8f\u8bbf\u95ee\u60c5\u51b5\u3002\u7136\u800c\uff0c\u5f53\u6d89\u53ca\u5230\u5927\u578b\u6570\u7ec4\u548c\u968f\u673a\u8bbf\u95ee\u65f6\uff0c\u8fd0\u7b97\u901f\u5ea6\u53ef\u80fd\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/strong><\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u7684\u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u600e\u4e48\u6837\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u53d7\u4ee5\u4e0b\u56e0\u7d20\u5f71\u54cd\uff1a 1. \u5143\u7d20\u7c7b\u578b\uff1b2. \u6570\u7ec4\u5927\u5c0f\uff1b3. \u8bbf\u95ee\u6a21\u5f0f\uff1b4. jvm \u4f18\u5316\uff1b5. \u5e76\u53d1\u6027\u3002\u603b\u4f53\u800c\u8a00\uff0cjava \u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u5f88\u5feb\uff0c\u5c24\u5176\u662f\u5bf9\u5c0f\u578b\u6570\u7ec4\u548c\u987a\u5e8f\u8bbf\u95ee\u7684\u60c5\u51b5\u3002 Java \u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6 Java \u4e2d\u6570\u7ec4\u63d0\u4f9b\u4e86\u5feb\u901f\u9ad8\u6548\u7684\u5143\u7d20\u8bbf\u95ee\u548c\u64cd\u4f5c\u3002\u5b83\u4eec\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\u539f\u751f\u6570\u636e\u7ed3\u6784\uff0c\u5b58\u50a8\u5143\u7d20\u5e76\u4f7f\u7528\u7d22\u5f15\u6765\u8bbf\u95ee\u5b83\u4eec\u3002\u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u53d7\u4ee5\u4e0b\u56e0\u7d20\u5f71\u54cd\uff1a 1. \u5143\u7d20\u7c7b\u578b \u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\u5177\u6709\u4e0d\u540c\u7684\u5927\u5c0f\u548c\u5b58\u50a8\u8981\u6c42\u3002\u56e0\u6b64\uff0c\u5bf9\u4e0d\u540c\u7c7b\u578b\u6570\u7ec4\u8fdb\u884c\u7684\u8fd0\u7b97\u901f\u5ea6\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u6574\u6570\u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u6bd4\u5feb\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u6570\u7ec4\u5927\u5c0f \u6570\u7ec4\u7684\u5927\u5c0f\u4f1a\u5f71\u54cd\u8fd0\u7b97\u901f\u5ea6\u3002\u8f83\u5c0f\u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u5f80\u5f80\u6bd4\u8f83\u5927\u6570\u7ec4\u5feb\u3002\u8fd9\u662f\u56e0\u4e3a Java \u865a\u62df\u673a (JVM) \u53ef\u4ee5\u8f7b\u677e\u5206\u914d\u548c\u8bbf\u95ee\u5c0f\u6570\u7ec4\u7684\u5185\u5b58\u3002 3. \u8bbf\u95ee\u6a21\u5f0f \u987a\u5e8f\u8bbf\u95ee\u6570\u7ec4\uff08\u4ece\u5934\u5230\u5c3e\uff09\u901a\u5e38\u6bd4\u968f\u673a\u8bbf\u95ee\uff08\u8df3\u8dc3\u5f0f\u8bbf\u95ee\uff09\u5feb\u3002\u56e0\u4e3a\u987a\u5e8f\u8bbf\u95ee\u53ef\u4ee5\u5229\u7528 CPU \u7f13\u5b58\u673a\u5236\uff0c\u800c\u968f\u673a\u8bbf\u95ee\u9700\u8981\u989d\u5916\u7684\u5185\u5b58\u8bbf\u95ee\u3002 4. JVM \u4f18\u5316 JVM \u53ef\u4ee5\u901a\u8fc7\u5373\u65f6\u7f16\u8bd1 (JIT) \u548c\u5783\u573e\u56de\u6536 (GC) \u7b49\u4f18\u5316\u6765\u63d0\u9ad8\u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u3002JIT \u7f16\u8bd1\u5668\u5c06 Java \u5b57\u8282\u7801\u8f6c\u6362\u4e3a\u673a\u5668\u4ee3\u7801\uff0c\u800c GC \u91ca\u653e\u672a\u4f7f\u7528\u7684\u6570\u7ec4\u5143\u7d20\u7684\u5185\u5b58\u3002 5. \u5e76\u53d1\u6027 \u5982\u679c\u60a8\u9700\u8981\u5728\u5e76\u884c\u73af\u5883\u4e2d\u8bbf\u95ee\u6570\u7ec4\uff0c\u5219\u9700\u8981\u8003\u8651\u3002\u540c\u6b65\u53ef\u4ee5\u9632\u6b62\u6570\u636e\u7ade\u4e89\uff0c\u4f46\u4f1a\u964d\u4f4e\u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u3002 \u603b\u4f53\u800c\u8a00\uff0cJava \u6570\u7ec4\u7684\u8fd0\u7b97\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u5c0f\u578b\u6570\u7ec4\u548c\u987a\u5e8f\u8bbf\u95ee\u60c5\u51b5\u3002\u7136\u800c\uff0c\u5f53\u6d89\u53ca\u5230\u5927\u578b\u6570\u7ec4\u548c\u968f\u673a\u8bbf\u95ee\u65f6\uff0c\u8fd0\u7b97\u901f\u5ea6\u53ef\u80fd\u4f1a\u53d7\u5230\u5f71\u54cd\u3002 \u4ee5\u4e0a\u5c31\u662fjava\u7684\u6570\u7ec4\u8fd0\u7b97\u901f\u5ea6\u600e\u4e48\u6837\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-66471","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66471","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=66471"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66471\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}