{"id":38879,"date":"2024-11-26T16:58:17","date_gmt":"2024-11-26T08:58:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38879\/"},"modified":"2024-11-26T16:58:17","modified_gmt":"2024-11-26T08:58:17","slug":"%e5%a6%82%e4%bd%95%e6%94%b9%e8%bf%9b-java-%e4%bb%a3%e7%a0%81%ef%bc%9a%e5%bc%80%e5%8f%91%e5%ae%9e%e8%b7%b5%e5%92%8c%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38879\/","title":{"rendered":"\u5982\u4f55\u6539\u8fdb Java \u4ee3\u7801\uff1a\u5f00\u53d1\u5b9e\u8df5\u548c\u6a21\u5f0f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173163277889556.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u6539\u8fdb Java \u4ee3\u7801\uff1a\u5f00\u53d1\u5b9e\u8df5\u548c\u6a21\u5f0f\u63d2\u56fe\" alt=\"\u5982\u4f55\u6539\u8fdb Java \u4ee3\u7801\uff1a\u5f00\u53d1\u5b9e\u8df5\u548c\u6a21\u5f0f\u63d2\u56fe\" \/><\/p>\n<p>\u5f53\u6211\u4eec\u5f00\u53d1\u9879\u76ee\u65f6\uff0c\u6700\u5e38\u89c1\uff08\u6216\u5e94\u8be5\uff09\u7684\u4e8b\u60c5\u4e4b\u4e00\u5c31\u662f\u95ee\u81ea\u5df1\uff0c\u6211\u4eec\u5e94\u8be5\u4f7f\u7528\u54ea\u4e9b\u826f\u597d\u7684\u7f16\u7a0b\u5b9e\u8df5\u3002\u5728\u6b64\u80cc\u666f\u4e0b\uff0c\u6211\u521b\u5efa\u4e86\u6211\u5728\u4e2a\u4eba\u9879\u76ee\u548c\u4e13\u4e1a\u73af\u5883\u4e2d\u901a\u5e38\u9075\u5faa\u7684\u826f\u597d\u5b9e\u8df5\u7684\u6c47\u7f16\u3002<br \/> \u5728\u63a5\u4e0b\u6765\u7684\u51e0\u884c\u4e2d\uff0c\u6211\u5c06\u63a2\u7d22\u6211\u9075\u5faa\u7684<strong>7\u4e2a\u826f\u597d\u5b9e\u8df5\u548c\u5f00\u53d1\u6a21\u5f0f<\/strong>\uff0c\u5b83\u4eec\u5e2e\u52a9\u6211\u7f16\u5199\u66f4\u597d\u7684\u4ee3\u7801\uff0c\u4e0d\u4ec5\u63d0\u9ad8\u8d28\u91cf\uff0c\u800c\u4e14\u63d0\u9ad8\u6211\u548c\u6211\u6240\u5728\u56e2\u961f\u7684\u751f\u4ea7\u529b.<\/p>\n<h2> 1. \u91c7\u7528\u4e00\u81f4\u7684\u547d\u540d\u7ea6\u5b9a <\/h2>\n<p>\u4e00\u81f4\u6027\u662f\u4fdd\u6301\u4ee3\u7801\u7ec4\u7ec7\u6709\u5e8f\u4e14\u6613\u4e8e\u7406\u89e3\u7684\u5173\u952e\u4e4b\u4e00\u3002\u9075\u5faa\u547d\u540d\u7ea6\u5b9a\u6709\u52a9\u4e8e\u786e\u4fdd\u56e2\u961f\u4e2d\u7684\u6bcf\u4e2a\u4eba\u90fd\u9075\u5faa\u660e\u786e\u7684\u6807\u51c6\uff0c\u907f\u514d\u6df7\u6dc6\u3002\u5728Java\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u7ea6\u5b9a\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> <strong>\u7c7b\u548c\u63a5\u53e3<\/strong>\uff1a\u4f7f\u7528<strong>PascalCase<\/strong>\uff08\u4f8b\u5982\uff1a\u7528\u6237\u3001\u6c7d\u8f66\uff09\u3002<\/li>\n<li> <strong>\u65b9\u6cd5\u548c\u53d8\u91cf<\/strong>\uff1a\u8fd9\u91cc\u6700\u5408\u9002\u7684\u7ea6\u5b9a\u662f\u9a7c\u5cf0\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff1acalculateTotal\u3001customerName\uff09\u3002<\/li>\n<li> <strong>\u5e38\u91cf<\/strong>\uff1a\u5bf9\u4e8e\u5e38\u91cf\uff0c\u4f7f\u7528\u5927\u5199\u5b57\u6bcd\u5e76\u7528\u4e0b\u5212\u7ebf\u5206\u9694\uff08\u4f8b\u5982\uff1aMAXIMUM_SIZE\u3001DEFAULT_VALUE\uff09\u3002<\/li>\n<li> <strong>Packages<\/strong>\uff1a\u5305\u540d\u79f0\u5fc5\u987b\u4ee5\u5c0f\u5199\u5b57\u6bcd\u4e66\u5199\uff0c\u5e76\u9075\u5faa\u53cd\u5411\u57df\u540d\u6a21\u5f0f\uff0c\u5373\u57df\u540d\u5012\u8f6c\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u6a21\u5f0f\u4f7f\u4ee3\u7801\u5bf9\u4e8e\u4efb\u4f55\u4ece\u4e8b\u8be5\u9879\u76ee\u7684\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u90fd\u66f4\u5bb9\u6613\u9605\u8bfb\u548c\u7406\u89e3\u3002<\/p>\n<h2> 2.\u5e94\u7528\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09 <\/h2>\n<p>\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u662f Java \u7684\u57fa\u672c\u539f\u5219\u4e4b\u4e00\uff0c\u91c7\u7528\u9002\u5f53\u7684\u5b9e\u8df5\u53ef\u4ee5\u5bf9\u4ee3\u7801\u7684\u8bbe\u8ba1\u4ea7\u751f\u5f88\u5927\u7684\u5f71\u54cd\u3002 OOP \u53ef\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u7ec4\u7ec7\u3001\u4ee3\u7801\u91cd\u7528\u548c\u6613\u4e8e\u7ef4\u62a4\u3002\u4e00\u4e9b\u51c6\u5219\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> <strong>\u5c01\u88c5<\/strong>\uff1a\u4fdd\u62a4\u7c7b\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u4ec5\u5141\u8bb8\u901a\u8fc7\u53d7\u63a7\u65b9\u6cd5\uff08GET \u548c SET\uff09\u8bbf\u95ee\u8fd9\u4e9b\u6570\u636e\u3002\u4f7f\u7528 private \u6216 protected \u7b49\u4fee\u9970\u7b26\u53ef\u4ee5\u9632\u6b62\u4e0d\u5fc5\u8981\u7684\u8bbf\u95ee\u3002<\/li>\n<li> <strong>\u7ee7\u627f<\/strong>\uff1a\u7ee7\u627f\u867d\u7136\u6709\u7528\uff0c\u4f46\u5fc5\u987b\u8c28\u614e\u4f7f\u7528\uff0c\u4ee5\u514d\u751f\u6210\u590d\u6742\u4e14\u96be\u4ee5\u7ba1\u7406\u7684\u5c42\u6b21\u7ed3\u6784\u3002\u5c3d\u53ef\u80fd\u9009\u62e9\u6784\u56fe\u3002<\/li>\n<li> <strong>\u591a\u6001\u6027<\/strong>\uff1a\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u5728\u8fd0\u884c\u65f6\u4ea4\u6362\u5bf9\u8c61\u884c\u4e3a\uff0c\u8fd9\u5bf9\u4e8e\u4f7f\u4ee3\u7801\u66f4\u52a0\u7075\u6d3b\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<p>\u9075\u5faa\u8fd9\u4e9b\u539f\u5219\u6709\u52a9\u4e8e\u521b\u5efa\u66f4\u52a0\u6a21\u5757\u5316\u7684\u4ee3\u7801\uff0c\u4ece\u800c\u4f7f\u5c06\u6765\u7684\u66f4\u6539\u548c\u6269\u5c55\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<h2> 3. \u4f7f\u7528 DRY\uff08\u4e0d\u8981\u91cd\u590d\uff09\u539f\u5219\u907f\u514d\u5197\u4f59 <\/h2>\n<p>\u4ee3\u7801\u91cd\u590d\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u548c\u7ef4\u62a4\u56f0\u96be\u3002 DRY \u539f\u5219\u5efa\u8bae\u60a8\u5e94\u8be5\u907f\u514d\u591a\u6b21\u7f16\u5199\u540c\u4e00\u6bb5\u4ee3\u7801\u3002\u5f53\u60a8\u53d1\u73b0\u91cd\u590d\u6a21\u5f0f\u65f6\uff0c\u5c06\u5176\u91cd\u6784\u4e3a\u53ef\u91cd\u7528\u7684\u51fd\u6570\u6216\u7c7b\u3002\u8fd9\u4f7f\u5f97\u7ef4\u62a4\u66f4\u5bb9\u6613\u5e76\u964d\u4f4e\u51fa\u73b0\u9519\u8bef\u7684\u98ce\u9669\u3002<br \/> \u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7684\u6570\u636e\u9a8c\u8bc1\u4ee3\u7801\u5728\u7a0b\u5e8f\u7684\u591a\u4e2a\u90e8\u5206\u4e2d\u91cd\u590d\uff0c\u8bf7\u8003\u8651\u5c06\u8be5\u4ee3\u7801\u63d0\u53d6\u5230\u5355\u4e2a\u65b9\u6cd5\u751a\u81f3\u7279\u5b9a\u7684\u7c7b\u4e2d\u3002\u8fd9\u63d0\u9ad8\u4e86\u6e05\u6670\u5ea6\u5e76\u4f7f\u4ee3\u7801\u5c06\u6765\u66f4\u5bb9\u6613\u91cd\u6784\u3002<\/p>\n<h2> 4. \u8bc4\u8bba\uff1a\u4f55\u65f6\u4f7f\u7528\u3001\u4f55\u65f6\u907f\u514d <\/h2>\n<p>\u6ce8\u91ca\u662f\u89e3\u91ca\u56f0\u96be\u4ee3\u7801\u51b3\u7b56\u80cc\u540e\u903b\u8f91\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u4f46\u4e0d\u5e94\u8be5\u7528\u6765\u89e3\u91ca\u663e\u800c\u6613\u89c1\u7684\u4e8b\u60c5\u3002\u5982\u679c\u4ee3\u7801\u5199\u5f97\u5f88\u597d\u5e76\u4e14\u9075\u5faa\u826f\u597d\u7684\u547d\u540d\u5b9e\u8df5\uff0c\u90a3\u4e48\u5b83\u5e94\u8be5\u662f\u4e0d\u8a00\u81ea\u660e\u7684\u3002\u4f7f\u7528\u8bc4\u8bba\uff1a<\/p>\n<ul>\n<li>\u63cf\u8ff0\u590d\u6742\u7684\u8bbe\u8ba1\u51b3\u7b56\u3002<\/li>\n<li>\u89e3\u91ca\u5728\u6ca1\u6709\u660e\u786e\u89e3\u51b3\u65b9\u6848\u7684\u60c5\u51b5\u4e0b\u9009\u62e9\u67d0\u79cd\u65b9\u6cd5\u3002<\/li>\n<li>\u5728\u6d89\u53ca\u590d\u6742\u903b\u8f91\u6216\u7279\u5b9a\u8981\u6c42\u7684\u60c5\u51b5\u4e0b\u63d0\u4f9b\u989d\u5916\u7684\u4e0a\u4e0b\u6587\u3002<\/li>\n<\/ul>\n<blockquote><p>\n  \u6ce8\u91ca\u5bf9\u4e8e\u89e3\u91ca\u4ee3\u7801\u51b3\u7b56\u7684\u201c\u539f\u56e0\u201d\u5f88\u91cd\u8981\uff0c\u4f46\u5bf9\u4e8e\u89e3\u91ca\u201c\u4ec0\u4e48\u201d\u6216\u201c\u5982\u4f55\u201d\u5374\u5f88\u91cd\u8981\u3002 -\u535a\u5ba2\uff1aCubos \u5b66\u9662\n<\/p><\/blockquote>\n<p>\u907f\u514d\u4ec5\u4ec5\u4e3a\u4e86\u201c\u89e3\u91ca\u201d\u4e00\u884c\u4ee3\u7801\u7684\u4f5c\u7528\u800c\u4f7f\u7528\u6ce8\u91ca\u2014\u2014\u597d\u7684\u4ee3\u7801\u5e94\u8be5\u80fd\u591f\u81ea\u5df1\u8bf4\u8bdd\u3002<\/p>\n<h2> 5. \u81ea\u52a8\u5316\u6d4b\u8bd5\uff1a\u786e\u4fdd\u4ee3\u7801\u8d28\u91cf <\/h2>\n<p>\u786e\u4fdd\u4ee3\u7801\u6b63\u5e38\u5de5\u4f5c\u7684\u6700\u4f73\u65b9\u6cd5\u4e4b\u4e00\u662f\u7f16\u5199\u81ea\u52a8\u5316\u6d4b\u8bd5\u3002\u5b83\u4eec\u6709\u52a9\u4e8e\u53ca\u65e9\u53d1\u73b0\u95ee\u9898\u3001\u9632\u6b62\u5012\u9000\u5e76\u63d0\u9ad8\u5b9e\u65bd\u4fe1\u5fc3\u3002\u4e3b\u8981\u6d4b\u8bd5\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> <strong>\u5355\u5143\u6d4b\u8bd5<\/strong>\uff1a\u6d4b\u8bd5\u72ec\u7acb\u7684\u4ee3\u7801\u5355\u5143\uff0c\u4f8b\u5982\u65b9\u6cd5\u6216\u51fd\u6570\u3002\u4f7f\u7528 JUnit \u7b49\u5de5\u5177\u53ef\u4ee5\u81ea\u52a8\u5316\u6b64\u8fc7\u7a0b\u3002<\/li>\n<li> <strong>\u96c6\u6210\u6d4b\u8bd5<\/strong>\uff1a\u8bc4\u4f30\u7cfb\u7edf\u4e0d\u540c\u90e8\u5206\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002\u5b83\u4eec\u5bf9\u4e8e\u786e\u4fdd\u6574\u4e2a\u7cfb\u7edf\u6309\u9884\u671f\u8fd0\u884c\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<\/ul>\n<p>\u5728\u5de5\u4f5c\u6d41\u7a0b\u4e2d\u6dfb\u52a0\u81ea\u52a8\u5316\u6d4b\u8bd5\u4e00\u5f00\u59cb\u53ef\u80fd\u770b\u8d77\u6765\u5f88\u8d39\u529b\uff0c\u4f46\u4ece\u957f\u8fdc\u6765\u770b\uff0c\u5b83\u4f1a\u63d0\u9ad8\u6548\u7387\u5e76\u964d\u4f4e\u4ee3\u7801\u5931\u8d25\u7684\u98ce\u9669\u3002<\/p>\n<h2> 6. \u9ad8\u6548\u7684\u5f02\u5e38\u7ba1\u7406 <\/h2>\n<p>\u6b63\u786e\u5904\u7406\u5f02\u5e38\u5bf9\u4e8e\u786e\u4fdd\u60a8\u7684\u8f6f\u4ef6\u7a33\u5065\u4e14\u6709\u5f39\u6027\u81f3\u5173\u91cd\u8981\u3002\u826f\u597d\u5f02\u5e38\u7ba1\u7406\u7684\u4e00\u4e9b\u6280\u5de7\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> <strong>\u7279\u5b9a\u5f02\u5e38<\/strong>\uff1a\u53ea\u8981\u6709\u53ef\u80fd\uff0c\u5c31\u629b\u51fa\u7279\u5b9a\u5f02\u5e38\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u901a\u7528\u5f02\u5e38\u3002\u8fd9\u4f7f\u5f97\u4ee3\u7801\u66f4\u5bb9\u6613\u7406\u89e3\u548c\u8c03\u8bd5\u3002<\/li>\n<li> <strong>\u907f\u514d\u9759\u9ed8\u5f02\u5e38<\/strong>\uff1a\u5728\u6ca1\u6709\u6b63\u786e\u5904\u7406\u5f02\u5e38\u6216\u81f3\u5c11\u8bb0\u5f55\u9519\u8bef\u6d88\u606f\u7684\u60c5\u51b5\u4e0b\uff0c\u6c38\u8fdc\u4e0d\u8981\u6355\u83b7\u5f02\u5e38\u3002\u5ffd\u7565\u5f02\u5e38\u53ef\u80fd\u4f1a\u9690\u85cf\u7cfb\u7edf\u4e2d\u7684\u5173\u952e\u95ee\u9898\u3002<\/li>\n<li> <strong>try-with-resources<\/strong>\uff1a\u5728\u5904\u7406\u6587\u4ef6\u548c\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u8d44\u6e90\u65f6\u4f7f\u7528\u6b64\u65b9\u6cd5\u3002\u5b83\u786e\u4fdd\u8fd9\u4e9b\u8d44\u6e90\u5728\u4f7f\u7528\u7ed3\u675f\u65f6\u81ea\u52a8\u5173\u95ed\uff0c\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u9075\u5faa\u826f\u597d\u7684\u5f02\u5e38\u5904\u7406\u5b9e\u8df5\uff0c\u60a8\u7684\u4ee3\u7801\u5c06\u53d8\u5f97\u66f4\u52a0\u53ef\u9760\u4e14\u66f4\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<h2> 7.\u91c7\u7528\u8bbe\u8ba1\u6a21\u5f0f <\/h2>\n<p>\u8bbe\u8ba1\u6a21\u5f0f\u662f\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u53cd\u590d\u51fa\u73b0\u95ee\u9898\u7684\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5728 Java \u4e2d\uff0c\u4e00\u4e9b\u53ef\u4ee5\u5e2e\u52a9\u60a8\u66f4\u6709\u6548\u5730\u6784\u5efa\u4ee3\u7801\u7684\u7ecf\u5178\u6a21\u5f0f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li> <strong>\u5355\u4f8b<\/strong>\uff1a\u786e\u4fdd\u4e00\u4e2a\u7c7b\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\u5e76\u63d0\u4f9b\u5bf9\u5176\u7684\u5168\u5c40\u8bbf\u95ee\u70b9\u3002<\/li>\n<li> <strong>Factory<\/strong>\uff1a\u5141\u8bb8\u521b\u5efa\u5bf9\u8c61\u800c\u65e0\u9700\u6307\u5b9a\u8981\u5b9e\u4f8b\u5316\u7684\u786e\u5207\u7c7b\u3002\u8fd9\u4f7f\u5f97\u6269\u5c55\u4ee3\u7801\u53d8\u5f97\u66f4\u5bb9\u6613\uff0c\u800c\u65e0\u9700\u66f4\u6539\u4f9d\u8d56\u4e8e\u6b64\u521b\u5efa\u7684\u90e8\u5206\u3002<\/li>\n<li> <strong>\u7b56\u7565<\/strong>\uff1a\u5141\u8bb8\u60a8\u5728\u8fd0\u884c\u65f6\u66f4\u6539\u5bf9\u8c61\u7684\u884c\u4e3a\uff0c\u800c\u65e0\u9700\u4fee\u6539\u4f7f\u7528\u5b83\u7684\u7c7b\u3002 \u8fd9\u4e9b\u6a21\u5f0f\u5bf9\u4e8e\u786e\u4fdd\u60a8\u7684\u4ee3\u7801\u53ef\u6269\u5c55\u3001\u7075\u6d3b\u4e14\u6613\u4e8e\u7406\u89e3\u975e\u5e38\u6709\u4ef7\u503c\u3002<\/li>\n<\/ul>\n<h3> \u5956\u52b1\uff1a\u4f7f\u7528 Java \u4e2d\u7684\u4ee3\u7801\u8d28\u91cf\u5de5\u5177 <\/h3>\n<p>\u4ee3\u7801\u8d28\u91cf\u5de5\u5177\u5bf9\u4e8e\u5728\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u4e4b\u524d\u8bc6\u522b\u4ee3\u7801\u4e2d\u7684\u95ee\u9898\u81f3\u5173\u91cd\u8981\u3002\u5bf9\u4e8e Java \u9879\u76ee\uff0c\u8bf7\u8003\u8651\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\uff1a<\/p>\n<ul>\n<li> <strong>Linters<\/strong>\uff1a\u5206\u6790\u4ee3\u7801\u7684\u98ce\u683c\u548c\u4e00\u81f4\u6027\uff0c\u786e\u4fdd\u5176\u9075\u5faa Java \u6700\u4f73\u5b9e\u8df5\u548c\u7ea6\u5b9a\uff08\u4f8b\u5982\uff1aCheckstyle\uff09\u3002<\/li>\n<li> <strong>\u9759\u6001\u5206\u6790\u5668<\/strong>\uff1a\u65e0\u9700\u6267\u884c\u4ee3\u7801\u5373\u53ef\u68c0\u6d4b\u6f5c\u5728\u9519\u8bef\u3001\u6f0f\u6d1e\u548c\u6027\u80fd\u95ee\u9898\uff08\u4f8b\u5982\uff1aSonarQube\uff09\u3002<\/li>\n<li> <strong>\u81ea\u52a8\u683c\u5f0f\u5316\u7a0b\u5e8f<\/strong>\uff1a\u786e\u4fdd\u4ee3\u7801\u59cb\u7ec8\u6839\u636e\u6837\u5f0f\u7ea6\u5b9a\u8fdb\u884c\u683c\u5f0f\u5316\uff0c\u4f8b\u5982 Google Java \u6807\u51c6\uff08\u4f8b\u5982\uff1aGoogle Java \u683c\u5f0f\uff09\u3002<\/li>\n<\/ul>\n<hr>\n<p><strong>\u4f7f\u7528\u7684\u53c2\u8003\u6587\u732e<\/strong>\uff1a<\/p>\n<ul>\n<li>https:\/\/napoleon.com.br\/glossario\/o-que-e-java-naming-conventions\/<\/li>\n<li>https:\/\/www.devmedia.com.br\/programacao-orientada-a-objetos-com-java\/18449<\/li>\n<li>https:\/\/www.macoratti.net\/16\/04\/net_dry1.htm<\/li>\n<li>https:\/\/caffeinealgorithm.com\/blog\/comentarios-em-java<\/li>\n<li>https:\/\/www.devmedia.com.br\/testes-automatizados-com-junit\/30324<\/li>\n<li>https:\/\/blog.cubos.academy\/java-boas-praticas-e-padroes-de-codigo\/<\/li>\n<li>https:\/\/www.baeldung.com\/java-try-with-resources<\/li>\n<li>https:\/\/devnit.medium.com\/gerenciamento-de-exce%C3%A7%C3%B5es-em-java-e-spring-boot-melhores-pr%C3%A1ticas-a0395db28df7<\/li>\n<li>https:\/\/refactoring.guru\/pt-br\/design-patterns\/java<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u6539\u8fdb Java \u4ee3\u7801\uff1a\u5f00\u53d1\u5b9e\u8df5\u548c\u6a21\u5f0f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u6211\u4eec\u5f00\u53d1\u9879\u76ee\u65f6\uff0c\u6700\u5e38\u89c1\uff08\u6216\u5e94\u8be5\uff09\u7684\u4e8b\u60c5\u4e4b\u4e00\u5c31\u662f\u95ee\u81ea\u5df1\uff0c\u6211\u4eec\u5e94\u8be5\u4f7f\u7528\u54ea\u4e9b\u826f\u597d\u7684\u7f16\u7a0b\u5b9e\u8df5\u3002\u5728\u6b64\u80cc\u666f\u4e0b\uff0c\u6211\u521b\u5efa\u4e86\u6211\u5728\u4e2a\u4eba\u9879\u76ee\u548c\u4e13\u4e1a\u73af\u5883\u4e2d\u901a\u5e38\u9075\u5faa\u7684\u826f\u597d\u5b9e\u8df5\u7684\u6c47\u7f16\u3002 \u5728\u63a5\u4e0b\u6765\u7684\u51e0\u884c\u4e2d\uff0c\u6211\u5c06\u63a2\u7d22\u6211\u9075\u5faa\u76847\u4e2a\u826f\u597d\u5b9e\u8df5\u548c\u5f00\u53d1\u6a21\u5f0f\uff0c\u5b83\u4eec\u5e2e\u52a9\u6211\u7f16\u5199\u66f4\u597d\u7684\u4ee3\u7801\uff0c\u4e0d\u4ec5\u63d0\u9ad8\u8d28\u91cf\uff0c\u800c\u4e14\u63d0\u9ad8\u6211\u548c\u6211\u6240\u5728\u56e2\u961f\u7684\u751f\u4ea7\u529b. 1. \u91c7\u7528\u4e00\u81f4\u7684\u547d\u540d\u7ea6\u5b9a \u4e00\u81f4\u6027\u662f\u4fdd\u6301\u4ee3\u7801\u7ec4\u7ec7\u6709\u5e8f\u4e14\u6613\u4e8e\u7406\u89e3\u7684\u5173\u952e\u4e4b\u4e00\u3002\u9075\u5faa\u547d\u540d\u7ea6\u5b9a\u6709\u52a9\u4e8e\u786e\u4fdd\u56e2\u961f\u4e2d\u7684\u6bcf\u4e2a\u4eba\u90fd\u9075\u5faa\u660e\u786e\u7684\u6807\u51c6\uff0c\u907f\u514d\u6df7\u6dc6\u3002\u5728Java\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u7ea6\u5b9a\u5305\u62ec\uff1a \u7c7b\u548c\u63a5\u53e3\uff1a\u4f7f\u7528PascalCase\uff08\u4f8b\u5982\uff1a\u7528\u6237\u3001\u6c7d\u8f66\uff09\u3002 \u65b9\u6cd5\u548c\u53d8\u91cf\uff1a\u8fd9\u91cc\u6700\u5408\u9002\u7684\u7ea6\u5b9a\u662f\u9a7c\u5cf0\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff1acalculateTotal\u3001customerName\uff09\u3002 \u5e38\u91cf\uff1a\u5bf9\u4e8e\u5e38\u91cf\uff0c\u4f7f\u7528\u5927\u5199\u5b57\u6bcd\u5e76\u7528\u4e0b\u5212\u7ebf\u5206\u9694\uff08\u4f8b\u5982\uff1aMAXIMUM_SIZE\u3001DEFAULT_VALUE\uff09\u3002 Packages\uff1a\u5305\u540d\u79f0\u5fc5\u987b\u4ee5\u5c0f\u5199\u5b57\u6bcd\u4e66\u5199\uff0c\u5e76\u9075\u5faa\u53cd\u5411\u57df\u540d\u6a21\u5f0f\uff0c\u5373\u57df\u540d\u5012\u8f6c\u3002 \u8fd9\u4e9b\u6a21\u5f0f\u4f7f\u4ee3\u7801\u5bf9\u4e8e\u4efb\u4f55\u4ece\u4e8b\u8be5\u9879\u76ee\u7684\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u90fd\u66f4\u5bb9\u6613\u9605\u8bfb\u548c\u7406\u89e3\u3002 2.\u5e94\u7528\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08OOP\uff09 \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u662f Java \u7684\u57fa\u672c\u539f\u5219\u4e4b\u4e00\uff0c\u91c7\u7528\u9002\u5f53\u7684\u5b9e\u8df5\u53ef\u4ee5\u5bf9\u4ee3\u7801\u7684\u8bbe\u8ba1\u4ea7\u751f\u5f88\u5927\u7684\u5f71\u54cd\u3002 OOP \u53ef\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u7ec4\u7ec7\u3001\u4ee3\u7801\u91cd\u7528\u548c\u6613\u4e8e\u7ef4\u62a4\u3002\u4e00\u4e9b\u51c6\u5219\u5305\u62ec\uff1a \u5c01\u88c5\uff1a\u4fdd\u62a4\u7c7b\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u4ec5\u5141\u8bb8\u901a\u8fc7\u53d7\u63a7\u65b9\u6cd5\uff08GET \u548c SET\uff09\u8bbf\u95ee\u8fd9\u4e9b\u6570\u636e\u3002\u4f7f\u7528 private \u6216 protected \u7b49\u4fee\u9970\u7b26\u53ef\u4ee5\u9632\u6b62\u4e0d\u5fc5\u8981\u7684\u8bbf\u95ee\u3002 \u7ee7\u627f\uff1a\u7ee7\u627f\u867d\u7136\u6709\u7528\uff0c\u4f46\u5fc5\u987b\u8c28\u614e\u4f7f\u7528\uff0c\u4ee5\u514d\u751f\u6210\u590d\u6742\u4e14\u96be\u4ee5\u7ba1\u7406\u7684\u5c42\u6b21\u7ed3\u6784\u3002\u5c3d\u53ef\u80fd\u9009\u62e9\u6784\u56fe\u3002 \u591a\u6001\u6027\uff1a\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u5728\u8fd0\u884c\u65f6\u4ea4\u6362\u5bf9\u8c61\u884c\u4e3a\uff0c\u8fd9\u5bf9\u4e8e\u4f7f\u4ee3\u7801\u66f4\u52a0\u7075\u6d3b\u975e\u5e38\u6709\u7528\u3002 \u9075\u5faa\u8fd9\u4e9b\u539f\u5219\u6709\u52a9\u4e8e\u521b\u5efa\u66f4\u52a0\u6a21\u5757\u5316\u7684\u4ee3\u7801\uff0c\u4ece\u800c\u4f7f\u5c06\u6765\u7684\u66f4\u6539\u548c\u6269\u5c55\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 3. \u4f7f\u7528 DRY\uff08\u4e0d\u8981\u91cd\u590d\uff09\u539f\u5219\u907f\u514d\u5197\u4f59 \u4ee3\u7801\u91cd\u590d\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9519\u8bef\u548c\u7ef4\u62a4\u56f0\u96be\u3002 DRY 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\u6ce8\u91ca\u662f\u89e3\u91ca\u56f0\u96be\u4ee3\u7801\u51b3\u7b56\u80cc\u540e\u903b\u8f91\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u4f46\u4e0d\u5e94\u8be5\u7528\u6765\u89e3\u91ca\u663e\u800c\u6613\u89c1\u7684\u4e8b\u60c5\u3002\u5982\u679c\u4ee3\u7801\u5199\u5f97\u5f88\u597d\u5e76\u4e14\u9075\u5faa\u826f\u597d\u7684\u547d\u540d\u5b9e\u8df5\uff0c\u90a3\u4e48\u5b83\u5e94\u8be5\u662f\u4e0d\u8a00\u81ea\u660e\u7684\u3002\u4f7f\u7528\u8bc4\u8bba\uff1a \u63cf\u8ff0\u590d\u6742\u7684\u8bbe\u8ba1\u51b3\u7b56\u3002 \u89e3\u91ca\u5728\u6ca1\u6709\u660e\u786e\u89e3\u51b3\u65b9\u6848\u7684\u60c5\u51b5\u4e0b\u9009\u62e9\u67d0\u79cd\u65b9\u6cd5\u3002 \u5728\u6d89\u53ca\u590d\u6742\u903b\u8f91\u6216\u7279\u5b9a\u8981\u6c42\u7684\u60c5\u51b5\u4e0b\u63d0\u4f9b\u989d\u5916\u7684\u4e0a\u4e0b\u6587\u3002 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