{"id":203487,"date":"2025-05-22T12:32:45","date_gmt":"2025-05-22T04:32:45","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203487\/"},"modified":"2025-05-22T12:32:45","modified_gmt":"2025-05-22T04:32:45","slug":"java-%e9%9d%a2%e8%af%95%e5%bf%85%e5%a4%87%ef%bc%9a-%e5%b8%b8%e8%a7%81%e9%9d%a2%e8%af%95%e9%a2%98%e4%b8%8e%e7%ad%94%e6%a1%88%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203487\/","title":{"rendered":"Java \u9762\u8bd5\u5fc5\u5907\uff1a \u5e38\u89c1\u9762\u8bd5\u9898\u4e0e\u7b54\u6848\u8be6\u89e3"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u9762\u8bd5\u5fc5\u5907\uff1a \u5e38\u89c1\u9762\u8bd5\u9898\u4e0e\u7b54\u6848\u8be6\u89e3<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava \u9762\u8bd5\u5fc5\u5907\uff1a \u5e38\u89c1\u9762\u8bd5\u9898\u4e0e\u7b54\u6848\u8be6\u89e3\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241109\/1731152925672f4c1de6341.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u9762\u8bd5\u9898\u5927\u5168<\/strong><\/p>\n<p>\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u6211\u4eec\u6765\u76d8\u70b9\u4e00\u4e9b\u5e38\u89c1\u7684 Java \u9762\u8bd5\u9898\uff0c\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u5927\u5bb6\u987a\u5229\u901a\u8fc7\u9762\u8bd5\u3002<\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong> \u8bf7\u63d0\u4f9b\u4e00\u4e9b\u5e38\u89c1\u7684 Java \u9762\u8bd5\u9898\u4ee5\u53ca\u5bf9\u5e94\u7684\u7b54\u6848\u3002<\/p>\n<p><strong>\u7b54\u6848\uff1a<\/strong><\/p>\n<ol>\n<li>\n<p><strong>\u591a\u7ebf\u7a0b\u4e2d\u7684\u540c\u6b65\u673a\u5236\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1aJava \u4e2d\u4e3b\u8981\u901a\u8fc7\u9501\uff08synchronized \u5173\u952e\u5b57\uff09\u3001\u539f\u5b50\u53d8\u91cf\u548c Java \u5185\u5b58\u6a21\u578b\uff08JMM\uff09\u6765\u5b9e\u73b0\u540c\u6b65\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u96c6\u5408\u6846\u67b6\u4e2d HashMap \u548c ConcurrentHashMap \u7684\u533a\u522b\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1aHashMap \u662f\u975e\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u800c ConcurrentHashMap \u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u901a\u8fc7\u5206\u6bb5\u9501\u6765\u5b9e\u73b0\u5e76\u53d1\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Java \u4e2d\u6cdb\u578b\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1a\u6cdb\u578b\u53ef\u4ee5\u6307\u5b9a\u96c6\u5408\u6216\u7c7b\u4e2d\u5143\u7d20\u7684\u7c7b\u578b\uff0c\u589e\u5f3a\u7c7b\u578b\u5b89\u5168\u6027\uff0c\u907f\u514d\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>JVM \u4e2d\u5806\u548c\u6808\u7684\u533a\u522b\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1a\u6808\u5b58\u50a8\u5c40\u90e8\u53d8\u91cf\u548c\u5f15\u7528\uff0c\u6267\u884c\u901f\u5ea6\u5feb\uff1b\u5806\u5b58\u50a8\u5bf9\u8c61\uff0c\u6267\u884c\u901f\u5ea6\u6162\uff0c\u4f46\u5bb9\u91cf\u66f4\u5927\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Spring IoC \u5bb9\u5668\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1aIoC\uff08\u63a7\u5236\u53cd\u8f6c\uff09\u5bb9\u5668\u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406 Bean\uff0c\u5b9e\u73b0 Bean \u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u6ce8\u5165\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u4ec0\u4e48\u662f\u53cd\u5c04\u673a\u5236\uff0c\u5176\u4f18\u70b9\u548c\u7f3a\u70b9\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1a\u53cd\u5c04\u673a\u5236\u5141\u8bb8\u7a0b\u5e8f\u8bbf\u95ee\u548c\u4fee\u6539 Java \u7c7b\u7684\u7ed3\u6784\u548c\u884c\u4e3a\uff0c\u4f18\u70b9\u662f\u63d0\u9ad8\u4ee3\u7801\u7075\u6d3b\u6027\uff0c\u7f3a\u70b9\u662f\u6027\u80fd\u5f00\u9500\u8f83\u5927\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Java \u4e2d\u679a\u4e3e\u7c7b\u578b\u7684\u7279\u70b9\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1a\u679a\u4e3e\u7c7b\u578b\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u7c7b\uff0c\u5176\u5bf9\u8c61\u662f\u5df2\u77e5\u7684\u5e38\u91cf\uff0c\u5177\u6709\u7c7b\u578b\u5b89\u5168\u548c\u6027\u80fd\u4f18\u5f02\u7684\u7279\u70b9\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u4ec0\u4e48\u662f Java \u6ce8\u89e3\uff0c\u5176\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1aJava \u6ce8\u89e3\u662f\u4e00\u79cd\u5143\u6570\u636e\uff0c\u53ef\u4ee5\u9644\u52a0\u5230\u7c7b\u3001\u65b9\u6cd5\u6216\u5b57\u6bb5\u4e0a\uff0c\u7528\u4e8e\u63d0\u4f9b\u9644\u52a0\u4fe1\u606f\u6216\u4fee\u6539\u5176\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Java \u4e2d\u5f02\u5e38\u5904\u7406\u7684\u673a\u5236\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1aJava \u5f02\u5e38\u5904\u7406\u4f7f\u7528 try-catch-finally \u8bed\u53e5\u5757\u6765\u5904\u7406\u8fd0\u884c\u65f6\u5f02\u5e38\uff0c\u786e\u4fdd\u7a0b\u5e8f\u80fd\u591f\u4f18\u96c5\u5730\u5904\u7406\u9519\u8bef\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Java \u4e2d\u6d41\u7684\u7c7b\u578b\u6709\u54ea\u4e9b\uff0c\u5176\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<ul>\n<li>\u7b54\u6848\uff1aJava \u4e2d\u7684\u6d41\u5206\u4e3a\u8f93\u5165\u6d41\uff08InputStream\uff09\u548c\u8f93\u51fa\u6d41\uff08OutputStream\uff09\uff0c\u7528\u4e8e\u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e\uff0c\u5177\u4f53\u7c7b\u578b\u53d6\u51b3\u4e8e\u5177\u4f53\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u9762\u8bd5\u5fc5\u5907\uff1a \u5e38\u89c1\u9762\u8bd5\u9898&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203487","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203487"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203487\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}