{"id":202989,"date":"2025-05-22T12:32:14","date_gmt":"2025-05-22T04:32:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202989\/"},"modified":"2025-05-22T12:32:14","modified_gmt":"2025-05-22T04:32:14","slug":"%e4%bd%bf%e7%94%a8%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95%e9%aa%8c%e8%af%81java%e5%87%bd%e6%95%b0%e9%87%8d%e8%bd%bd%e7%9a%84%e6%ad%a3%e7%a1%ae%e6%80%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202989\/","title":{"rendered":"\u4f7f\u7528\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1Java\u51fd\u6570\u91cd\u8f7d\u7684\u6b63\u786e\u6027"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4f7f\u7528\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1Java\u51fd\u6570\u91cd\u8f7d\u7684\u6b63\u786e\u6027<\/h1>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u4eec\u53c8\u89c1\u9762\u4e86\u554a~\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4f7f\u7528\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1Java\u51fd\u6570\u91cd\u8f7d\u7684\u6b63\u786e\u6027\u300b<\/span>\u7684\u5185\u5bb9\u4e2d\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u3002\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u77e5\u8bc6\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\uff0c\u4ee5\u540e\u4f1a\u7ed9\u5927\u5bb6\u5e26\u6765\u66f4\u591a<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u6587\u7ae0\uff0c\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u8fdb\u6b65\uff01\u4e0b\u9762\u5c31\u5f00\u59cb\u672c\u6587\u7684\u6b63\u5f0f\u5185\u5bb9~<\/p>\n<p>\u4e3a\u4e86\u9a8c\u8bc1 Java \u51fd\u6570\u91cd\u8f7d\u7684\u6b63\u786e\u6027\uff0c\u53ef\u4ee5\u5728 JUnit \u4e2d\u4f7f\u7528\u5355\u5143\u6d4b\u8bd5\uff1a\u521b\u5efa\u5355\u5143\u6d4b\u8bd5\u4ee5\u9a8c\u8bc1\u51fd\u6570\u7684\u884c\u4e3a\uff0c\u786e\u4fdd\u51fd\u6570\u6839\u636e\u4e0d\u540c\u7684\u53c2\u6570\u7ec4\u5408\u8fd4\u56de\u6b63\u786e\u7684\u8f93\u51fa\u3002\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u4ee5\u68c0\u6d4b\u9519\u8bef\u8f93\u5165\uff0c\u786e\u4fdd\u51fd\u6570\u80fd\u5904\u7406\u53ef\u80fd\u5bfc\u81f4\u5f02\u5e38\u60c5\u51b5\u7684\u8f93\u5165\u3002\u5355\u5143\u6d4b\u8bd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u9760\u6027\u548c\u5065\u58ee\u6027\uff0c\u5e76\u786e\u4fdd\u91cd\u8f7d\u51fd\u6570\u7b26\u5408\u8981\u6c42\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730013584671de990c43df.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u4f7f\u7528\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1 Java \u51fd\u6570\u91cd\u8f7d\u7684\u6b63\u786e\u6027<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u51fd\u6570\u91cd\u8f7d\u5141\u8bb8\u60a8\u5b9a\u4e49\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u53c2\u6570\u5217\u8868\u4e0d\u540c\u7684\u51fd\u6570\u3002\u8fd9\u5728\u9700\u8981\u9488\u5bf9\u4e0d\u540c\u7c7b\u578b\u6216\u6570\u91cf\u7684\u53c2\u6570\u6267\u884c\u76f8\u540c\u64cd\u4f5c\u65f6\u975e\u5e38\u6709\u7528\u3002\u7136\u800c\uff0c\u786e\u4fdd\u91cd\u8f7d\u51fd\u6570\u6309\u9884\u671f\u5de5\u4f5c\u81f3\u5173\u91cd\u8981\uff0c\u7279\u522b\u662f\u5728\u5b58\u5728\u590d\u6742\u903b\u8f91\u7684\u60c5\u51b5\u4e0b\u3002<\/p>\n<p><strong>\u5355\u5143\u6d4b\u8bd5<\/strong><\/p>\n<p>\u5355\u5143\u6d4b\u8bd5\u662f\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5355\u4e2a\u51fd\u6570\u6216\u6a21\u5757\u7684\u4e00\u79cd\u65b9\u6cd5\u3002\u5bf9\u4e8e\u9a8c\u8bc1\u51fd\u6570\u91cd\u8f7d\u7684\u6b63\u786e\u6027\uff0c\u5355\u5143\u6d4b\u8bd5\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u901a\u8fc7\u521b\u5efa\u5355\u5143\u6d4b\u8bd5\u53ef\u4ee5:<\/p>\n<ul>\n<li>\u9a8c\u8bc1\u4e0d\u540c\u53c2\u6570\u7ec4\u5408\u4e0b\u7684\u91cd\u8f7d\u51fd\u6570\u7684\u884c\u4e3a<\/li>\n<li>\u786e\u4fdd\u51fd\u6570\u8fd4\u56de\u6b63\u786e\u7684\u8f93\u51fa<\/li>\n<li>\u68c0\u6d4b\u53ef\u80fd\u5bfc\u81f4\u5f02\u5e38\u60c5\u51b5\u7684\u9519\u8bef\u8f93\u5165<\/li>\n<\/ul>\n<p><strong>\u4ee3\u7801\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u6f14\u793a\u5982\u4f55\u4f7f\u7528 JUnit \u8fdb\u884c\u91cd\u8f7d\u51fd\u6570\u5355\u5143\u6d4b\u8bd5\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>import org.junit.Test;\n\npublic class FunctionOverloadingTest {\n\n    @Test\n    public void testSumWithoutArgs() {\n        \/\/ Arrange\n        int expectedResult = 0;\n\n        \/\/ Act\n        int result = FunctionOverloading.sum();\n\n        \/\/ Assert\n        assertEquals(expectedResult, result);\n    }\n\n    @Test\n    public void testSumWithOneArg() {\n        \/\/ Arrange\n        int input = 10;\n        int expectedResult = 10;\n\n        \/\/ Act\n        int result = FunctionOverloading.sum(input);\n\n        \/\/ Assert\n        assertEquals(expectedResult, result);\n    }\n\n    @Test\n    public void testSumWithTwoArgs() {\n        \/\/ Arrange\n        int input1 = 10;\n        int input2 = 20;\n        int expectedResult = 30;\n\n        \/\/ Act\n        int result = FunctionOverloading.sum(input1, input2);\n\n        \/\/ Assert\n        assertEquals(expectedResult, result);\n    }\n\n    public static class FunctionOverloading {\n        public static int sum() {\n            return 0;\n        }\n\n        public static int sum(int n) {\n            return n;\n        }\n\n        public static int sum(int n1, int n2) {\n            return n1 + n2;\n        }\n    }\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c<code>FunctionOverloadingTest<\/code> \u7c7b\u5305\u542b\u4e00\u7cfb\u5217\u5355\u5143\u6d4b\u8bd5\uff0c\u6bcf\u4e2a\u6d4b\u8bd5\u90fd\u9a8c\u8bc1\u91cd\u8f7d\u51fd\u6570<code>sum()<\/code> \u5728\u4e0d\u540c\u53c2\u6570\u7ec4\u5408\u4e0b\u7684\u6b63\u786e\u6027\u3002<code>@Test<\/code> \u6ce8\u91ca\u6807\u8bb0\u4e86\u6bcf\u4e2a\u6d4b\u8bd5\u65b9\u6cd5\u3002<code>assertEquals()<\/code> \u65ad\u8a00\u7528\u4e8e\u9a8c\u8bc1\u5b9e\u9645\u7ed3\u679c\u4e0e\u9884\u671f\u7ed3\u679c\u662f\u5426\u5339\u914d\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\uff0c\u5c55\u793a\u4e86\u91cd\u8f7d\u51fd\u6570\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6709\u6548\u6027\uff1a<\/p>\n<p><strong>Scenario:<\/strong><\/p>\n<p>\u4e00\u4e2a\u5206\u5e03\u5f0f\u7cfb\u7edf\u9700\u8981\u4e00\u4e2a\u51fd\u6570\u6765\u6267\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u63a5\u6536\u5230\u7684\u6d88\u606f\u7c7b\u578b\u3002<\/p>\n<p><strong>Solution:<\/strong><\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u91cd\u8f7d\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>handleMessage()<\/code> \u7684\u51fd\u6570\uff1a<\/p>\n<pre>public void handleMessage(Message message) {...}\n\npublic void handleMessage(TextMessage message) {...}\n\npublic void handleMessage(BinaryMessage message) {...}<\/pre>\n<p>\u6839\u636e\u63a5\u6536\u5230\u7684\u6d88\u606f\u7c7b\u578b\uff0c\u7cfb\u7edf\u4f1a\u8c03\u7528\u76f8\u5e94\u7684\u91cd\u8f7d\u51fd\u6570\u3002\u8fd9\u7b80\u5316\u4e86\u4ee3\u7801\uff0c\u63d0\u9ad8\u4e86\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<p><strong>\u7ed3\u8bba\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1 Java \u51fd\u6570\u91cd\u8f7d\u7684\u6b63\u786e\u6027\u662f\u786e\u4fdd\u5176\u6309\u9884\u671f\u5de5\u4f5c\u5e76\u7b26\u5408\u8981\u6c42\u7684\u5173\u952e\u3002 \u901a\u8fc7\u7f16\u5199\u660e\u786e\u3001\u5168\u9762\u7684\u6d4b\u8bd5\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u9760\u6027\u548c\u5065\u58ee\u6027\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u5355\u5143\u6d4b\u8bd5\u9a8c\u8bc1Java\u51fd\u6570\u91cd\u8f7d&#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-202989","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202989","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=202989"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202989\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}