{"id":1313,"date":"2020-02-05T20:52:12","date_gmt":"2020-02-05T12:52:12","guid":{"rendered":"http:\/\/blog.coolcoding.cn\/?p=1313"},"modified":"2020-09-27T17:04:41","modified_gmt":"2020-09-27T09:04:41","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e9%ab%98%e7%ba%a7%e7%a8%8b%e5%ba%8f%e5%91%98%e5%86%99%e7%9a%84%e4%bb%a3%e7%a0%81%e9%83%bd%e6%98%af%e5%82%bb%e7%93%9c%e5%bc%8f%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/blog.coolcoding.cn\/?p=1313","title":{"rendered":"\u4e3a\u4ec0\u4e48\u9ad8\u7ea7\u7a0b\u5e8f\u5458\u5199\u7684\u4ee3\u7801\u90fd\u662f\u50bb\u74dc\u5f0f\u7684\uff1f"},"content":{"rendered":"\n

– Scott Shippp <\/p>\n\n\n\n

Brian Goetz \u662f Java \u9886\u57df\u7684\u6280\u672f\u5927\u725b\uff0c\u540c\u65f6\u4e5f\u662f\u300aJava \u5e76\u53d1\u5b9e\u8df5\u300b\u4e00\u4e66\u7684\u4f5c\u8005\u4e4b\u4e00\u3002\u6211\u6700\u559c\u6b22\u7684\u4e00\u53e5\u540d\u8a00\u5c31\u662f\u4ed6\u8bb2\u7684\u3002\u8fd9\u53e5\u8bdd\u51fa\u73b0\u5728\u7532\u9aa8\u6587\u516c\u53f8\u4ee5\u300a\u7f16\u5199\u50bb\u74dc\u5f0f\u4ee3\u7801\u300b\u4e3a\u9898\u53d1\u8868\u7684\u8bbf\u8c08\u5f53\u4e2d\uff0c\u5f53\u65f6\u8bb0\u8005\u95ee\u5230 Goetz \u5982\u4f55\u624d\u80fd\u7f16\u5199\u51fa\u6027\u80fd\u826f\u597d\u7684\u4ee3\u7801\u3002\u4ee5\u4e0b\u662f\u4ed6\u7ed9\u51fa\u7684\u777f\u667a\u56de\u5e94\uff1a<\/p>\n\n\n\n

\u4e00\u822c\u6765\u8bf4\uff0c\u5728 Java \u5e94\u7528\u7a0b\u5e8f\u5f53\u4e2d\u5feb\u901f\u7f16\u5199\u4ee3\u7801\u7684\u65b9\u6cd5\uff0c\u5c31\u662f\u5148\u5199\u70b9\u50bb\u74dc\u5f0f\u4ee3\u7801\u2014\u2014\u8fd9\u7c7b\u4ee3\u7801\u7b80\u5355\u3001\u5e72\u51c0\uff0c\u800c\u4e14\u9075\u5faa\u6700\u660e\u786e\u7684\u9762\u5411\u5bf9\u8c61\u539f\u5219\u3002<\/p><\/blockquote>\n\n\n\n

\u5728\u63a5\u4e0b\u6765\u7684\u53d1\u8a00\u4e2d\uff0c\u4ed6\u4e00\u76f4\u5728\u5177\u4f53\u89e3\u91ca\uff1a\u4e3a\u4ec0\u4e48\u5c1d\u8bd5\u4f18\u5316\u4ee3\u7801\u5e76\u8bd5\u56fe\u8ba9\u4ee3\u7801\u770b\u8d77\u6765\u4e0d\u90a3\u4e48\u50bb\u74dc\uff0c\u6b63\u662f\u7a0b\u5e8f\u5458\u7fa4\u4f53\u4e2d\u7684\u4e00\u79cd\u5e38\u89c1\u9519\u8bef\u3002\u800c\u5728\u6211\u770b\u6765\uff0c\u8fd9\u66f4\u591a\u662f\u4e00\u79cd\u65b0\u624b\u7a0b\u5e8f\u5458\u5e38\u72af\u7684\u9519\u8bef\u3002<\/p>\n\n\n\n

\u9ad8\u7ea7\u5f00\u53d1\u8005\u7684\u4ee3\u7801<\/h2>\n\n\n\n

\u5982\u679c\u5927\u5bb6\u50cf\u6211\u4e00\u6837\uff0c\u4e5f\u7ecf\u5386\u8fc7\u521d\u7aa5\u95e8\u5f84\u7684\u8fc7\u7a0b\uff0c\u90a3\u4e48\u5404\u4f4d\u5e94\u8be5\u8fd8\u8bb0\u5f97\u81ea\u5df1\u7b2c\u4e00\u6b21\u770b\u5230\u9ad8\u7ea7\u5f00\u53d1\u8005\u5199\u51fa\u7684\u4ee3\u7801\u65f6\uff0c\u5fc3\u91cc\u60f3\u7684\u662f\uff1a<\/p>\n\n\n\n

\u201c\u8fd9\u73a9\u610f\u513f\u6211\u4e5f\u5199\u5f97\u51fa\u6765\uff0c\u4e3a\u4ec0\u4e48\u6211\u5c31\u4e0d\u662f\u9ad8\u7ea7\u5f00\u53d1\u8005\u5462\uff1f\u201d<\/p><\/blockquote>\n\n\n\n

\u6b64\u540e\uff0c\u6211\u82b1\u4e86\u4e0d\u5c11\u65f6\u95f4\u60f3\u5199\u51fa\u76f8\u7c7b\u4f3c\u7684\u4ee3\u7801\uff0c\u6700\u540e\u53d1\u73b0\u6211\u6839\u672c\u5c31\u505a\u4e0d\u5230\u3002<\/p>\n\n\n\n

\u5173\u4e8e\u201c\u9ad8\u7ea7\u5f00\u53d1\u8005\u201d\u7684\u7591\u95ee\uff0c\u5e76\u4e0d\u5728\u4e8e\u6211\u65e0\u6cd5\u7406\u89e3\u4ee3\u7801\u5f53\u4e2d\u7684\u7279\u5f81\u3002\u76f8\u53cd\uff0c\u6211\u4e00\u773c\u5c31\u80fd\u660e\u767d\u4ed6\u4eec\u5199\u7684\u4ee3\u7801\u5728\u8bf4\u4e9b\u4ec0\u4e48\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u4ee3\u7801\u4ece\u6839\u672c\u5c42\u9762\u4e0a\u5c31\u662f\u5728\u8d70\u50bb\u74dc\u5f0f\u8def\u7ebf\uff0c\u8c01\u8fd8\u770b\u4e0d\u61c2\u554a\u3002\u4f46\u9664\u6b64\u4e4b\u5916\uff0c\u4f3c\u4e4e\u8fd8\u6709\u66f4\u591a\u4e0d\u540c\u3002\u6211\u8bb0\u5f97\u5f53\u65f6\u6211\u5728\u60f3\uff0c\u201c\u8fd9\u300c\u66f4\u591a\u7684\u300d\u7a76\u7adf\u662f\u4ec0\u4e48\uff1f\u53c8\u662f\u600e\u4e48\u505a\u5230\u7684\uff1f\u201d<\/p>\n\n\n\n

\u4ece\u90a3\u65f6\u8d77\uff0c\u6211\u9010\u6e10\u5b66\u4f1a\u4e86\u7f16\u5199\u50bb\u74dc\u5f0f\u4ee3\u7801\u7684\u6240\u6709\u539f\u5219\u4e0e\u8d28\u91cf\u4fdd\u8bc1\u65b9\u6cd5\uff0c\u5305\u62ec\uff1aYAGNI \u539f\u5219 (You Ain\u2019t Gonna Need It)\uff1b\u5355\u4e00\u8d23\u4efb\u539f\u5219\uff1bDRY \u539f\u5219\uff08Don\u2019t Repeat Yourself\uff09\uff1b\u5355\u4e00\u7ea7\u522b\u62bd\u8c61\u539f\u5219\uff1b\u4f4e\u8026\u5408\u7b49\u7b49\u3002\u6211\u81ea\u5df1\uff0c\u4e5f\u6162\u6162\u6210\u4e86\u201c\u9ad8\u7ea7\u5f00\u53d1\u8005\u201d\u3002\uff08\u6211\u5176\u5b9e\u5f88\u8ba8\u538c\u300c\u9ad8\u7ea7\u5f00\u53d1\u8005\u300d\u8fd9\u79cd\u8bf4\u6cd5\uff0c\u56e0\u6b64\u6211\u59cb\u7ec8\u575a\u6301\u79f0\u81ea\u5df1\u4e3a\u300c\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u300d\uff0c\u4f46\u8fd9\u53c8\u662f\u53e6\u4e00\u4e2a\u6545\u4e8b\u4e86\u3002\uff09<\/p>\n\n\n\n

\u6211\u5b66\u5230\u7684\u6700\u91cd\u8981\u7684\u7ecf\u9a8c\u5c31\u662f\uff1a<\/p>\n\n\n\n

\u7f16\u5199\u50bb\u74dc\u5f0f\u4ee3\u7801\u5b9e\u9645\u4e0a\u975e\u5e38\u56f0\u96be\uff0c\u4f46\u4e00\u65e6\u5b9e\u73b0\u5219\u4f1a\u5e26\u6765\u8fdc\u8d85\u9884\u671f\u7684\u56de\u62a5\u3002<\/p><\/blockquote>\n\n\n\n

\u5982\u4f55\u4ece\u4e00\u91cc\u5916\u8ba4\u51fa\u83dc\u9e21\u7a0b\u5e8f\u5458<\/h2>\n\n\n\n

\u5728\u300a\u91cd\u6784\uff1a\u6539\u8fdb\u73b0\u6709\u4ee3\u7801\u8bbe\u8ba1\u300b\u5f53\u4e2d\uff0cKent Beck \u6307\u51fa\uff1a<\/p>\n\n\n\n

\u4efb\u4f55\u50bb\u74dc\u90fd\u80fd\u591f\u7f16\u5199\u51fa\u8ba1\u7b97\u673a\u53ef\u4ee5\u7406\u89e3\u7684\u4ee3\u7801\uff0c\u4f46\u53ea\u6709\u4f18\u79c0\u7684\u7a0b\u5e8f\u5458\u80fd\u591f\u7f16\u5199\u51fa\u4eba\u7c7b\u53ef\u4ee5\u7406\u89e3\u7684\u4ee3\u7801\u3002<\/p><\/blockquote>\n\n\n\n

\u5982\u679c\u5927\u5bb6\u9047\u5230\u7cbe\u5999\u65e0\u6bd4\u7684\u5355\u4e00\u4ee3\u7801\u884c\uff0c\u4ee5\u53ca\u6a21\u7cca\u7684\u62bd\u8c61\u53ca \/ \u6216\u8bed\u8a00\u7279\u5f81\u65f6\uff0c\u5176\u80cc\u540e\u51e0\u4e4e\u603b\u4f1a\u6709\u4e00\u4f4d\u521d\u7ea7\u5f00\u53d1\u8005\u3002\u8bf4\u5b9e\u8bdd\uff0c\u540e\u4e00\u79cd\u60c5\u51b5\u5c24\u5176\u5e38\u89c1\u3002\u770b\u5230\u8fd9\u4e9b\u4ee3\u7801\uff0c\u6211\u4eff\u4f5b\u5c31\u770b\u5230\u8fd9\u4f4d\u7a0b\u5e8f\u5458\u5728\u5f3a\u8c03\uff1a<\/p>\n\n\n\n

\u201c\u5feb\u6765\u770b\u6211\uff01\u6211\u771f\u7684\u5f88\u61c2\u8fd9\u95e8\u7f16\u7a0b\u8bed\u8a00\uff01\u6211\u5728\u4f7f\u7528\u9ed8\u8ba4\u63a5\u53e3\u540c\u6b65\u672c\u5730\u7ebf\u7a0b JavaBean \u590d\u5236\u6784\u9020\u51fd\u6570\uff0c\u5e76\u914d\u5408\u81ea\u5b9a\u4e49\u901a\u7528\u672a\u68c0\u67e5\u5f02\u5e38\u4ee5\u53ca\u8de8\u51fd\u6570\u5b89\u5168\u5f3a\u5316 JAXB Lombok \u4ee3\u7801\u751f\u6210\uff01\u770b\u6211\u5389\u4e0d\u5389\u5bb3\uff01\u201d<\/p><\/blockquote>\n\n\n\n

\u4ee5\u4e0a\u573a\u666f\u7eaf\u5c5e\u80e1\u8bf4\u516b\u9053\uff0c\u4f46\u76f8\u4fe1\u5927\u5bb6\u80fd\u591f\u660e\u767d\u6211\u7684\u610f\u601d\u3002\u8fd9\u7c7b\u4ee3\u7801\u5f80\u5f80\u6765\u81ea\u90a3\u4e9b\u53ea\u5173\u6ce8\u8ba1\u7b97\u673a\u7406\u89e3\uff0c\u800c\u4e0d\u91cd\u89c6\u4eba\u7c7b\u7406\u89e3\u7684\u7a0b\u5e8f\u5458\u3002<\/p>\n\n\n\n

\u4ee3\u7801\u7684\u672c\u8d28\uff0c\u5728\u4e8e\u5411\u5176\u4ed6\u4eba\u4ea4\u6d41\u5e76\u5411\u8ba1\u7b97\u673a\u53d1\u51fa\u6307\u4ee4\uff1b\u4f46\u76f8\u8f83\u4e8e\u540e\u8005\uff0c\u76ee\u524d\u4ee3\u7801\u7684\u524d\u4e00\u9879\u4f5c\u7528\u663e\u5f97\u5c24\u5176\u91cd\u8981\uff0c\u56e0\u4e3a\u6709\u7f16\u8bd1\u5668\u8d1f\u8d23\u5c06\u7a0b\u5e8f\u5458\u7f16\u5199\u7684\u5185\u5bb9\u7ffb\u8bd1\u6210\u673a\u5668\u8bed\u8a00\u3002\u4e00\u822c\u6765\u8bb2\uff0c\u8fd9\u79cd\u8f6c\u6362\u4f1a\u5206\u591a\u5c42\u5b9e\u73b0\uff0c\u4f8b\u5982\u5728\u5c06 Java \u7f16\u8bd1\u4e3a ByteCode \u65f6\uff0cJava \u4ee3\u7801\u9996\u5148\u7531 Java \u865a\u62df\u673a\u5728\u8fd0\u884c\u4e2d\u8bfb\u53d6\uff0c\u5e76\u6700\u7ec8\u5c06\u5185\u5bb9\u7ffb\u8bd1\u4e3a 0 \u548c 1 \u7684\u5f62\u5f0f\u3002<\/p>\n\n\n\n

\u4e0d\u8fc7\u4ee3\u7801\u4ee3\u8868\u7684\u4ecd\u7136\u662f\u4eba\u7c7b\u7684\u8bed\u8a00\uff0c\u9664\u4e86\u6307\u5bfc\u8ba1\u7b97\u673a\u4e4b\u5916\uff0c\u5fc5\u987b\u4e5f\u80fd\u591f\u8868\u8fbe\u4efb\u52a1\u5f53\u4e2d\u7684\u8c01\u3001\u4ec0\u4e48\u3001\u4f55\u65f6\u3001\u54ea\u91cc\u3001\u5982\u4f55\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u7b49\u95ee\u9898\u3002\u518d\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5373\u4f7f\u4f60\u7684\u516c\u53f8\u88ab\u6536\u8d2d\u4e86\u4e94\u5e74\u591a\uff0c\u8fd9\u4e9b\u4ee3\u7801\u4e5f\u4ecd\u7136\u5f97\u5177\u6709\u5b9e\u9645\u610f\u4e49\uff0c\u5e76\u786e\u4fdd\u4e4b\u524d\u4ece\u672a\u89c1\u8fc7\u8fd9\u4e9b\u4ee3\u7801\u7684\u65b0\u56e2\u961f\u80fd\u591f\u5feb\u901f\u6253\u5f00\u5e76\u8fdb\u884c\u529f\u80fd\u589e\u5f3a \/ \u9519\u8bef\u4fee\u590d\u3002<\/p>\n\n\n\n

\u662f\u7684\uff0c\u7f16\u5199\u50bb\u74dc\u5f0f\u4ee3\u7801\u975e\u5e38\u56f0\u96be\u3002\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u6211\u89c9\u5f97\u6211\u8d8a\u6765\u8d8a\u559c\u6b22\u8fd9\u79cd\u7f16\u7a0b\u98ce\u683c\u4e86\u3002\u5f53\u6211\u5728\u4ee3\u7801\u8bc4\u8bba\u4e2d\u6536\u5230\u201c\u8fd9\u4ee3\u7801\u771f\u5e72\u51c0\uff01\u201d\u4e4b\u7c7b\u7684\u8bc4\u8bed\u65f6\uff0c\u6211\u771f\u7684\u611f\u5230\u975e\u5e38\u6b23\u6170\u3002\u6211\u77e5\u9053\u6211\u80fd\u4e3a\u6574\u4e2a\u56e2\u961f\u3001\u4e43\u81f3\u672a\u6765\u7684\u4ee3\u7801\u7ef4\u62a4\u8005\u4eec\u505a\u7684\u6700\u597d\u7684\u4e8b\u60c5\uff0c\u5c31\u662f\u7f16\u5199\u50bb\u74dc\u5f0f\u4ee3\u7801\u3002<\/p>\n\n\n\n

\u9700\u77e5\uff1a<\/p>\n\n\n\n

\u9053\u8def\u5343\u4e07\u6761\uff0c\u7ef4\u62a4\u7b2c\u4e00\u6761\u3002\u4ee3\u7801\u4e0d\u89c4\u8303\uff0c\u8fd0\u7ef4\u4e24\u884c\u6cea\u3002<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

– Scott Shippp Brian Goetz \u662f Java \u9886\u57df\u7684\u6280\u672f\u5927\u725b\uff0c\u540c\u65f6\u4e5f\u662f\u300aJa […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/posts\/1313"}],"collection":[{"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1313"}],"version-history":[{"count":1,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/posts\/1313\/revisions"}],"predecessor-version":[{"id":1314,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/posts\/1313\/revisions\/1314"}],"wp:attachment":[{"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}