{"id":202604,"date":"2025-05-22T10:53:42","date_gmt":"2025-05-22T02:53:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202604\/"},"modified":"2025-05-22T10:53:42","modified_gmt":"2025-05-22T02:53:42","slug":"%e5%a6%82%e4%bd%95%e6%b5%8b%e8%af%95-java-%e5%87%bd%e6%95%b0%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7%e5%92%8c%e5%87%86%e7%a1%ae%e6%80%a7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202604\/","title":{"rendered":"\u5982\u4f55\u6d4b\u8bd5 Java \u51fd\u6570\u7684\u6709\u6548\u6027\u548c\u51c6\u786e\u6027\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u6d4b\u8bd5 Java \u51fd\u6570\u7684\u6709\u6548\u6027\u548c\u51c6\u786e\u6027\uff1f<\/h1>\n<p>\u6587\u7ae0\u5c0f\u767d\u4e00\u679a\uff0c\u6b63\u5728\u4e0d\u65ad\u5b66\u4e60\u79ef\u7d2f\u77e5\u8bc6\uff0c\u73b0\u5c06\u5b66\u4e60\u5230\u7684\u77e5\u8bc6\u8bb0\u5f55\u4e00\u4e0b\uff0c\u4e5f\u662f\u5c06\u6211\u7684\u6240\u5f97\u5206\u4eab\u7ed9\u5927\u5bb6\uff01\u800c\u4eca\u5929\u8fd9\u7bc7\u6587\u7ae0\u300a\u5982\u4f55\u6d4b\u8bd5 Java \u51fd\u6570\u7684\u6709\u6548\u6027\u548c\u51c6\u786e\u6027\uff1f\u300b\u5e26\u5927\u5bb6\u6765\u4e86\u89e3\u4e00\u4e0b##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><\/p>\n<p>\u5982\u4f55\u6d4b\u8bd5 Java \u51fd\u6570\u7684\u6709\u6548\u6027\u548c\u51c6\u786e\u6027\uff1f\u6d4b\u8bd5\u6709\u6548\u6027\uff1a\u9a8c\u8bc1\u8f93\u5165\u8303\u56f4\u548c\u8fb9\u754c\u6761\u4ef6\u786e\u8ba4\u8f93\u51fa\u7c7b\u578b\u6d4b\u8bd5\u5f02\u5e38\u5904\u7406\u6d4b\u8bd5\u51c6\u786e\u6027\uff1a\u4f7f\u7528\u8fb9\u754c\u503c\u548c\u7279\u6b8a\u503c\u6bd4\u8f83\u9884\u671f\u8f93\u51fa\u548c\u5b9e\u9645\u8f93\u51fa\u8003\u8651\u6d6e\u70b9\u6bd4\u8f83\u7cbe\u5ea6<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729922841671c8719dc16e.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u6d4b\u8bd5 Java \u51fd\u6570\u7684\u6709\u6548\u6027\u548c\u51c6\u786e\u6027<\/strong><\/p>\n<p><strong>\u5f15\u8a00<\/strong><\/p>\n<p>\u6d4b\u8bd5 Java \u51fd\u6570\u5bf9\u786e\u4fdd\u5176\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002\u6709\u6548\u6027\u548c\u51c6\u786e\u6027\u6d4b\u8bd5\u6709\u52a9\u4e8e\u9a8c\u8bc1\u51fd\u6570\u662f\u5426\u6309\u7167\u9884\u671f\u8fd0\u884c\u4ee5\u53ca\u4ea7\u751f\u6b63\u786e\u7684\u8f93\u51fa\u3002\u672c\u6587\u5c06\u6307\u5bfc\u60a8\u5b8c\u6210\u4f7f\u7528 JUnit 5 \u6d4b\u8bd5 Java \u51fd\u6570\u7684\u6b65\u9aa4\uff0c\u5e76\u9644\u6709\u5b9e\u6218\u6848\u4f8b\u3002<\/p>\n<p><strong>\u6d4b\u8bd5\u6709\u6548\u6027<\/strong><\/p>\n<ul>\n<li><strong>\u68c0\u67e5\u51fd\u6570\u7684\u8f93\u5165\u8303\u56f4\u3002<\/strong> \u786e\u4fdd\u51fd\u6570\u53ef\u4ee5\u6b63\u786e\u5904\u7406\u6240\u6709\u9884\u671f\u7684\u8f93\u5165\u503c\u3002\u4f7f\u7528 boundary \u548c corner cases \u6765\u6d4b\u8bd5\u51fd\u6570\u8fb9\u754c\u5904\u7684\u884c\u4e3a\u3002<\/li>\n<li><strong>\u9a8c\u8bc1\u8f93\u51fa\u7c7b\u578b\u3002<\/strong> \u786e\u4fdd\u51fd\u6570\u8fd4\u56de\u9884\u671f\u7684\u7c7b\u578b\u3002\u4f7f\u7528 assertions \u6765\u68c0\u67e5\u8fd4\u56de\u7c7b\u578b\u7684\u6b63\u786e\u6027\u3002<\/li>\n<li><strong>\u6d4b\u8bd5\u5f02\u5e38\u5904\u7406\u3002<\/strong> \u51fd\u6570\u662f\u5426\u6b63\u786e\u5904\u7406\u975e\u6cd5\u8f93\u5165\u6216\u5f02\u5e38\u60c5\u51b5\uff1f\u4f7f\u7528<code>try\/catch<\/code>\u5757\u6765\u9a8c\u8bc1\u5f02\u5e38\u88ab\u6b63\u786e\u629b\u51fa\u548c\u5904\u7406\u3002<\/li>\n<\/ul>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a\u6709\u6548\u6027\u6d4b\u8bd5<\/strong><\/p>\n<pre>import org.junit.jupiter.api.Test;\nimport static org.junit.jupiter.api.Assertions.*;\n\nclass MathFunctionsTest {\n\n    @Test\n    void testAbsPositive() {\n        assertEquals(10, MathFunctions.abs(10));\n    }\n\n    @Test\n    void testAbsNegative() {\n        assertEquals(10, MathFunctions.abs(-10));\n    }\n\n    @Test\n    void testAbsZero() {\n        assertEquals(0, MathFunctions.abs(0));\n    }\n}<\/pre>\n<p><strong>\u6d4b\u8bd5\u51c6\u786e\u6027<\/strong><\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u8fb9\u754c\u548c\u7279\u6b8a\u503c\u3002<\/strong> \u6d4b\u8bd5\u51fd\u6570\u662f\u5426\u5728\u8fb9\u754c\u548c\u7279\u6b8a\u503c\u5904\u4ea7\u751f\u6b63\u786e\u7684\u8f93\u51fa\u3002<\/li>\n<li><strong>\u6bd4\u8f83\u9884\u671f\u548c\u5b9e\u9645\u8f93\u51fa\u3002<\/strong> \u4f7f\u7528 <code>assertEquals()<\/code> \u6216 <code>assertApproxEquals()<\/code> \u65b9\u6cd5\u6765\u9a8c\u8bc1\u51fd\u6570\u7684\u9884\u671f\u8f93\u51fa\u3002<\/li>\n<li><strong>\u8003\u8651\u6d6e\u70b9\u6bd4\u8f83\u7684\u7cbe\u5ea6\u3002<\/strong> \u6d6e\u70b9\u6570\u5b57\u6bd4\u8f83\u53ef\u80fd\u4f1a\u4ea7\u751f\u7cbe\u5ea6\u95ee\u9898\u3002\u4f7f\u7528 <code>assertApproxEquals()<\/code> \u65b9\u6cd5\u6307\u5b9a\u5141\u8bb8\u7684\u8bef\u5dee\u8303\u56f4\u3002<\/li>\n<\/ul>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a\u51c6\u786e\u6027\u6d4b\u8bd5<\/strong><\/p>\n<pre>import org.junit.jupiter.api.Test;\nimport static org.junit.jupiter.api.Assertions.*;\n\nclass TrigFunctionsTest {\n\n    @Test\n    void testSinZero() {\n        assertEquals(0.0, MathFunctions.sin(0.0));\n    }\n\n    @Test\n    void testSinPi() {\n        assertApproxEquals(0.0, MathFunctions.sin(Math.PI), 0.01);\n    }\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a\u6d4b\u8bd5\u6587\u4ef6\u5904\u7406\u51fd\u6570<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u8bfb\u53d6\u6587\u4ef6\u5e76\u8ba1\u7b97\u5176\u884c\u6570\u7684 Java \u51fd\u6570\u3002<\/p>\n<p><strong>\u6709\u6548\u6027\u6d4b\u8bd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u6d4b\u8bd5\u6587\u4ef6\u662f\u5426\u5b58\u5728\u3002<\/li>\n<li>\u68c0\u67e5\u51fd\u6570\u662f\u5426\u5904\u7406\u7a7a\u6587\u4ef6\u3002<\/li>\n<li>\u9a8c\u8bc1\u51fd\u6570\u662f\u5426\u6b63\u786e\u5904\u7406\u6587\u4ef6\u8bfb\u53d6\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<p><strong>\u51c6\u786e\u6027\u6d4b\u8bd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u6d4b\u8bd5\u51fd\u6570\u662f\u5426\u8fd4\u56de\u6587\u4ef6\u7684\u6b63\u786e\u884c\u6570\u3002<\/li>\n<li>\u4f7f\u7528\u5305\u542b\u4e0d\u540c\u6570\u91cf\u884c\u7684\u6587\u4ef6\u8fdb\u884c\u6d4b\u8bd5\u3002<\/li>\n<li>\u6bd4\u8f83\u9884\u671f\u884c\u6570\u4e0e\u51fd\u6570\u8fd4\u56de\u7684\u503c\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u7f16\u5199\u5168\u9762\u7684\u6d4b\u8bd5\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8 Java \u51fd\u6570\u7684\u53ef\u9760\u6027\u5e76\u786e\u4fdd\u5176\u6309\u7167\u9884\u671f\u8fd0\u884c\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u6d4b\u8bd5 Java \u51fd\u6570\u7684\u6709\u6548\u6027\u548c\u51c6\u786e\u6027\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u6d4b\u8bd5 Java \u51fd\u6570\u7684\u6709\u6548\u6027&#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-202604","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202604","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=202604"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202604\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}