{"id":46765,"date":"2024-12-02T08:12:12","date_gmt":"2024-12-02T00:12:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46765\/"},"modified":"2024-12-02T08:12:12","modified_gmt":"2024-12-02T00:12:12","slug":"%e6%94%b9%e9%80%a0-java-%e5%87%bd%e6%95%b0%e4%bb%a5-unleash-%e5%85%b6%e6%80%a7%e8%83%bd%e6%bd%9c%e5%8a%9b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46765\/","title":{"rendered":"\u6539\u9020 Java \u51fd\u6570\u4ee5 unleash \u5176\u6027\u80fd\u6f5c\u529b"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u6539\u9020 Java \u51fd\u6570\u4ee5 unleash \u5176\u6027\u80fd\u6f5c\u529b<\/h1>\n<p>\u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u6539\u9020 Java \u51fd\u6570\u4ee5 unleash \u5176\u6027\u80fd\u6f5c\u529b\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p>\u6539\u9020 Java \u51fd\u6570\u53ef\u91ca\u653e\u5176\u6027\u80fd\u6f5c\u529b\uff0c\u5177\u4f53\u6280\u5de7\u5305\u62ec\uff1a\u8bc6\u522b\u5e76\u4f18\u5316\u6027\u80fd\u74f6\u9888\u3002\u4f7f\u7528\u5e76\u884c\u5904\u7406\u5904\u7406\u5927\u6570\u636e\u96c6\u3002\u9009\u62e9\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u3002\u7f13\u5b58\u6570\u636e\u548c\u7ed3\u679c\u4ee5\u51cf\u5c11\u6267\u884c\u65f6\u95f4\u3002\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u521b\u5efa\u3002\u542f\u7528 JIT \u7f16\u8bd1\u5668\u4ee5\u4f18\u5316\u5b57\u8282\u7801\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729926523671c957b30668.jpg\" class=\"aligncenter\" title=\"\u6539\u9020 Java \u51fd\u6570\u4ee5 unleash \u5176\u6027\u80fd\u6f5c\u529b\u63d2\u56fe\" alt=\"\u6539\u9020 Java \u51fd\u6570\u4ee5 unleash \u5176\u6027\u80fd\u6f5c\u529b\u63d2\u56fe\" \/><\/p>\n<p><strong>\u6539\u9020 Java \u51fd\u6570\u4ee5 unleashed \u5176\u6027\u80fd\u6f5c\u529b<\/strong><\/p>\n<p>\u4f18\u5316 Java \u51fd\u6570\u5bf9\u4e8e\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u6280\u5de7\uff0c\u4ee5\u5e2e\u52a9\u4f60\u6539\u9020\u4f60\u7684\u51fd\u6570\uff0c\u91ca\u653e\u5b83\u4eec\u7684\u5168\u90e8\u6f5c\u529b\u3002<\/p>\n<p><strong>1. \u8bc6\u522b\u6027\u80fd\u74f6\u9888<\/strong><\/p>\n<p>\u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\uff08\u4f8b\u5982 JProfiler\uff09\u6765\u8bc6\u522b\u51fd\u6570\u4e2d\u6700\u8017\u65f6\u7684\u90e8\u5206\u3002\u8fd9\u5c06\u8ba9\u4f60\u4e13\u6ce8\u4e8e\u8be5\u6539\u8fdb\u8fd9\u4e9b\u90e8\u5206\u7684\u6027\u80fd\u4f18\u5316\u3002<\/p>\n<p><strong>2. \u5e76\u884c\u5316\u5904\u7406<\/strong><\/p>\n<p>\u5982\u679c\u4f60\u7684\u51fd\u6570\u6d89\u53ca\u5927\u6570\u636e\u96c6\uff0c\u8bf7\u8003\u8651\u4f7f\u7528\u5e76\u884c\u5904\u7406\u6765\u540c\u65f6\u5904\u7406\u5b50\u96c6\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 Java \u5e76\u53d1\u6216\u5e93\u6765\u5b9e\u73b0\u3002<\/p>\n<p><strong>3. \u4f18\u5316\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5<\/strong><\/p>\n<p>\u9009\u62e9\u6548\u7387\u9ad8\u7684\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u5bf9\u4e8e\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 Map \u4ee3\u66ff Set \u4ee5\u5feb\u901f\u67e5\u627e\u5143\u7d20\uff0c\u6216\u4f7f\u7528\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u4ee3\u66ff\u7ebf\u6027\u641c\u7d22\u3002<\/p>\n<p><strong>4. \u7f13\u5b58\u6570\u636e\u548c\u7ed3\u679c<\/strong><\/p>\n<p>\u901a\u8fc7\u5c06\u67e5\u8be2\u7ed3\u679c\u6216\u7ecf\u5e38\u8bbf\u95ee\u7684\u6570\u636e\u7f13\u5b58\u8d77\u6765\uff0c\u53ef\u4ee5\u5927\u5e45\u51cf\u5c11\u51fd\u6570\u7684\u6267\u884c\u65f6\u95f4\u3002\u4f7f\u7528 Java \u5185\u7f6e\u7684\u7f13\u5b58\u5e93\u6216\u7b2c\u4e09\u65b9\u5e93\uff08\u4f8b\u5982 Ehcache\uff09\u6765\u5b9e\u73b0\u7f13\u5b58\u3002<\/p>\n<p><strong>5. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u521b\u5efa<\/strong><\/p>\n<p>\u521b\u5efa\u548c\u9500\u6bc1\u5bf9\u8c61\u662f\u4e00\u4e2a\u8017\u65f6\u7684\u8fc7\u7a0b\u3002\u901a\u8fc7\u4f7f\u7528\u5bf9\u8c61\u6c60\u6216\u590d\u7528\u73b0\u6709\u5bf9\u8c61\u6765\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u521b\u5efa\u3002<\/p>\n<p><strong>6. \u542f\u7528 JIT \u7f16\u8bd1<\/strong><\/p>\n<p>JIT\uff08Just-In-Time\uff09\u7f16\u8bd1\u5668\u5728\u8fd0\u884c\u65f6\u4f18\u5316 Java \u5b57\u8282\u7801\u3002\u542f\u7528 JIT \u7f16\u8bd1\u53ef\u4ee5\u901a\u8fc7 <code>-server<\/code> \u9009\u9879\u6216\u5728 Java \u542f\u52a8\u811a\u672c\u4e2d\u6307\u5b9a <code>-Xint<\/code> \u6765\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e2a\u89e3\u6790\u5927\u91cf\u6570\u636e\u7684\u51fd\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6280\u5de7\u6765\u4f18\u5316\u5176\u6027\u80fd\uff1a<\/p>\n<ul>\n<li><strong>\u5e76\u884c\u5316\u5904\u7406\uff1a<\/strong>\u5c06\u6570\u636e\u62c6\u5206\u4e3a\u5b50\u96c6\u5e76\u4f7f\u7528\u5e76\u884c\u6d41\u540c\u65f6\u5904\u7406\u5b83\u4eec\u3002<\/li>\n<li><strong>\u7f13\u5b58\u6570\u636e\uff1a<\/strong>\u5c06\u89e3\u6790\u540e\u7684\u6570\u636e\u7f13\u5b58\u8d77\u6765\uff0c\u4ee5\u907f\u514d\u91cd\u590d\u89e3\u6790\u540c\u4e00\u6570\u636e\u3002<\/li>\n<li><strong>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u521b\u5efa\uff1a<\/strong>\u4f7f\u7528\u5bf9\u8c61\u6c60\u6765\u590d\u7528 <code>BufferedReader<\/code> \u548c <code>BufferedWriter<\/code> \u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5e94\u7528\u8fd9\u4e9b\u4f18\u5316\uff0c\u8be5\u51fd\u6570\u7684\u6027\u80fd\u663e\u7740\u63d0\u9ad8\uff0c\u89e3\u6790\u65f6\u95f4\u4ece 60 \u79d2\u51cf\u5c11\u5230 15 \u79d2\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u901a\u8fc7\u5e94\u7528\u8fd9\u4e9b\u6539\u9020\u6280\u5de7\uff0c\u4f60\u53ef\u4ee5\u663e\u8457\u63d0\u5347 Java \u51fd\u6570\u7684\u6027\u80fd\u3002\u901a\u8fc7\u8bc6\u522b\u74f6\u9888\u3001\u4f18\u5316\u6570\u636e\u7ed3\u6784\u3001\u5e76\u884c\u5316\u5904\u7406\u548c\u7f13\u5b58\u6570\u636e\uff0c\u4f60\u53ef\u4ee5\u91ca\u653e\u51fd\u6570\u7684\u5168\u90e8\u6f5c\u529b\uff0c\u5927\u5e45\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6548\u7387\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u6539\u9020 Java \u51fd\u6570\u4ee5 unleash \u5176\u6027\u80fd\u6f5c\u529b\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8ejava,\u6027\u80fd\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6539\u9020 Java \u51fd\u6570\u4ee5 unleash \u5176\u6027\u80fd\u6f5c\u529b \u6765\u5230\u7c73\u4e91\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u6539\u9020 Java \u51fd\u6570\u4ee5 unleash \u5176\u6027\u80fd\u6f5c\u529b\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 \u6539\u9020 Java \u51fd\u6570\u53ef\u91ca\u653e\u5176\u6027\u80fd\u6f5c\u529b\uff0c\u5177\u4f53\u6280\u5de7\u5305\u62ec\uff1a\u8bc6\u522b\u5e76\u4f18\u5316\u6027\u80fd\u74f6\u9888\u3002\u4f7f\u7528\u5e76\u884c\u5904\u7406\u5904\u7406\u5927\u6570\u636e\u96c6\u3002\u9009\u62e9\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u3002\u7f13\u5b58\u6570\u636e\u548c\u7ed3\u679c\u4ee5\u51cf\u5c11\u6267\u884c\u65f6\u95f4\u3002\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u521b\u5efa\u3002\u542f\u7528 JIT \u7f16\u8bd1\u5668\u4ee5\u4f18\u5316\u5b57\u8282\u7801\u3002 \u6539\u9020 Java \u51fd\u6570\u4ee5 unleashed \u5176\u6027\u80fd\u6f5c\u529b \u4f18\u5316 Java \u51fd\u6570\u5bf9\u4e8e\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u6280\u5de7\uff0c\u4ee5\u5e2e\u52a9\u4f60\u6539\u9020\u4f60\u7684\u51fd\u6570\uff0c\u91ca\u653e\u5b83\u4eec\u7684\u5168\u90e8\u6f5c\u529b\u3002 1. \u8bc6\u522b\u6027\u80fd\u74f6\u9888 \u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\uff08\u4f8b\u5982 JProfiler\uff09\u6765\u8bc6\u522b\u51fd\u6570\u4e2d\u6700\u8017\u65f6\u7684\u90e8\u5206\u3002\u8fd9\u5c06\u8ba9\u4f60\u4e13\u6ce8\u4e8e\u8be5\u6539\u8fdb\u8fd9\u4e9b\u90e8\u5206\u7684\u6027\u80fd\u4f18\u5316\u3002 2. \u5e76\u884c\u5316\u5904\u7406 \u5982\u679c\u4f60\u7684\u51fd\u6570\u6d89\u53ca\u5927\u6570\u636e\u96c6\uff0c\u8bf7\u8003\u8651\u4f7f\u7528\u5e76\u884c\u5904\u7406\u6765\u540c\u65f6\u5904\u7406\u5b50\u96c6\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 Java \u5e76\u53d1\u6216\u5e93\u6765\u5b9e\u73b0\u3002 3. \u4f18\u5316\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5 \u9009\u62e9\u6548\u7387\u9ad8\u7684\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\u5bf9\u4e8e\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 Map \u4ee3\u66ff Set \u4ee5\u5feb\u901f\u67e5\u627e\u5143\u7d20\uff0c\u6216\u4f7f\u7528\u4e8c\u5206\u67e5\u627e\u7b97\u6cd5\u4ee3\u66ff\u7ebf\u6027\u641c\u7d22\u3002 4. \u7f13\u5b58\u6570\u636e\u548c\u7ed3\u679c \u901a\u8fc7\u5c06\u67e5\u8be2\u7ed3\u679c\u6216\u7ecf\u5e38\u8bbf\u95ee\u7684\u6570\u636e\u7f13\u5b58\u8d77\u6765\uff0c\u53ef\u4ee5\u5927\u5e45\u51cf\u5c11\u51fd\u6570\u7684\u6267\u884c\u65f6\u95f4\u3002\u4f7f\u7528 Java \u5185\u7f6e\u7684\u7f13\u5b58\u5e93\u6216\u7b2c\u4e09\u65b9\u5e93\uff08\u4f8b\u5982 Ehcache\uff09\u6765\u5b9e\u73b0\u7f13\u5b58\u3002 5. \u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u521b\u5efa \u521b\u5efa\u548c\u9500\u6bc1\u5bf9\u8c61\u662f\u4e00\u4e2a\u8017\u65f6\u7684\u8fc7\u7a0b\u3002\u901a\u8fc7\u4f7f\u7528\u5bf9\u8c61\u6c60\u6216\u590d\u7528\u73b0\u6709\u5bf9\u8c61\u6765\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u5bf9\u8c61\u521b\u5efa\u3002 6. \u542f\u7528 JIT \u7f16\u8bd1 JIT\uff08Just-In-Time\uff09\u7f16\u8bd1\u5668\u5728\u8fd0\u884c\u65f6\u4f18\u5316 Java \u5b57\u8282\u7801\u3002\u542f\u7528 [&hellip;]<\/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-46765","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46765","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=46765"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/46765\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=46765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=46765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=46765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}