{"id":202975,"date":"2025-05-22T11:05:58","date_gmt":"2025-05-22T03:05:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202975\/"},"modified":"2025-05-22T11:05:58","modified_gmt":"2025-05-22T03:05:58","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e8%b0%83%e8%af%95%e4%ba%86%e8%a7%a3java%e5%87%bd%e6%95%b0%e9%87%8d%e8%bd%bd%e7%9a%84%e6%89%a7%e8%a1%8c%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202975\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7\u8c03\u8bd5\u4e86\u89e3Java\u51fd\u6570\u91cd\u8f7d\u7684\u6267\u884c\u673a\u5236"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u901a\u8fc7\u8c03\u8bd5\u4e86\u89e3Java\u51fd\u6570\u91cd\u8f7d\u7684\u6267\u884c\u673a\u5236<\/h1>\n<p>\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u901a\u8fc7\u8c03\u8bd5\u4e86\u89e3Java\u51fd\u6570\u91cd\u8f7d\u7684\u6267\u884c\u673a\u5236\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n<p>Java\u51fd\u6570\u91cd\u8f7d\u7684\u6267\u884c\u673a\u5236\uff1aJVM \u6839\u636e\u5b9e\u53c2\u5217\u8868\u9009\u62e9\u5177\u6709\u5b8c\u5168\u5339\u914d\u53c2\u6570\u5217\u8868\u7684\u91cd\u8f7d\u65b9\u6cd5\u3002\u5982\u679c\u627e\u4e0d\u5230\u5b8c\u5168\u5339\u914d\uff0c\u5219\u62a5\u544a\u7f16\u8bd1\u65f6\u9519\u8bef\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730009683671dda53503d4.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u901a\u8fc7\u8c03\u8bd5\u4e86\u89e3Java\u51fd\u6570\u91cd\u8f7d\u7684\u6267\u884c\u673a\u5236<\/strong><\/p>\n<p>Java\u51fd\u6570\u91cd\u8f7d\u5141\u8bb8\u4e00\u4e2a\u7c7b\u62e5\u6709\u591a\u4e2a\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u53c2\u6570\u5217\u8868\u4e0d\u540c\u7684\u65b9\u6cd5\u3002\u5f53\u8c03\u7528\u4e00\u4e2a\u91cd\u8f7d\u51fd\u6570\u65f6\uff0cJava\u865a\u62df\u673a\uff08JVM\uff09\u4f1a\u6839\u636e\u5b9e\u53c2\u5217\u8868\u9009\u62e9\u8981\u8c03\u7528\u7684\u5177\u4f53\u65b9\u6cd5\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Java\u7c7b\uff0c\u6f14\u793a\u4e86\u51fd\u6570\u91cd\u8f7d\uff1a<\/p>\n<pre>public class FunctionOverloading {\n\n    public static void main(String[] args) {\n        System.out.println(add(1, 2)); \/\/ \u8f93\u51fa\uff1a3\n        System.out.println(add(1.0, 2.0)); \/\/ \u8f93\u51fa\uff1a3.0\n    }\n\n    public static int add(int a, int b) {\n        return a + b;\n    }\n\n    public static double add(double a, double b) {\n        return a + b;\n    }\n}<\/pre>\n<p><strong>\u8c03\u8bd5\u8fc7\u7a0b<\/strong><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Eclipse\u6216IntelliJ\u7b49IDE\u5bf9\u4ee3\u7801\u8fdb\u884c\u8c03\u8bd5\uff0c\u4ee5\u4e00\u6b65\u4e00\u6b65\u8ddf\u8e2a\u6267\u884c\u8fc7\u7a0b\u3002<\/p>\n<ol>\n<li><strong>\u8bbe\u7f6e\u65ad\u70b9\uff1a<\/strong>\u5728<code>add<\/code>\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u8bed\u53e5\u4e0a\u8bbe\u7f6e\u65ad\u70b9\u3002<\/li>\n<li><strong>\u8fd0\u884c\u7a0b\u5e8f\u5e76\u8fdb\u5165\u8c03\u8bd5\u6a21\u5f0f\uff1a<\/strong>\u70b9\u51fb\u201c\u8fd0\u884c\u201d\u6309\u94ae\u6216\u6309F5\u952e\u3002<\/li>\n<li><strong>\u8c03\u7528\u76f8\u5e94\u7684\u65b9\u6cd5\uff1a<\/strong>\u5728main\u65b9\u6cd5\u4e2d\uff0c\u8c03\u7528<code>add<\/code>\u65b9\u6cd5\uff0c\u4f20\u5165\u4e0d\u540c\u7684\u5b9e\u53c2\u3002<\/li>\n<li><strong>\u68c0\u67e5\u53d8\u91cf\uff1a<\/strong>\u5f53\u7a0b\u5e8f\u5728\u65ad\u70b9\u5904\u6682\u505c\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u68c0\u67e5<code>a<\/code>\u548c<code>b<\/code>\u53d8\u91cf\u7684\u503c\u3002<\/li>\n<li><strong>\u7ee7\u7eed\u6267\u884c\uff1a<\/strong>\u70b9\u51fb\u201c\u4e0b\u4e00\u6b65\u201d\u6309\u94ae\u6216\u6309F6\u952e\uff0c\u7ee7\u7eed\u6267\u884c\u7a0b\u5e8f\u3002\u901a\u8fc7\u8ddf\u8e2a\u7a0b\u5e8f\u5728\u4e0d\u540c\u8f93\u5165\u4e0b\u7684\u6267\u884c\uff0c\u6211\u4eec\u53ef\u4ee5\u89c2\u5bdf\u5230JVM\u662f\u5982\u4f55\u9009\u62e9\u8981\u8c03\u7528\u7684<code>add<\/code>\u65b9\u6cd5\u7684\u3002<\/li>\n<\/ol>\n<p><strong>\u7406\u89e3\u6267\u884c\u673a\u5236<\/strong><\/p>\n<p>\u901a\u8fc7\u8c03\u8bd5\uff0c\u6211\u4eec\u53ef\u4ee5\u89c2\u5bdf\u5230\u4ee5\u4e0b\u6267\u884c\u673a\u5236\uff1a<\/p>\n<ul>\n<li>\u5f53\u8c03\u7528\u4e00\u4e2a\u91cd\u8f7d\u51fd\u6570\u65f6\uff0cJVM\u4f1a\u6bd4\u8f83\u5b9e\u53c2\u5217\u8868\u4e0e\u6bcf\u4e2a\u65b9\u6cd5\u7684\u53c2\u6570\u5217\u8868\u3002<\/li>\n<li>JVM\u4f1a\u9009\u62e9\u5177\u6709\u4e0e\u5b9e\u53c2\u5217\u8868\u5b8c\u5168\u5339\u914d\u7684\u53c2\u6570\u5217\u8868\u7684\u65b9\u6cd5\u3002<\/li>\n<li>\u5982\u679c\u627e\u4e0d\u5230\u5b8c\u5168\u5339\u914d\u7684\u65b9\u6cd5\uff0cJVM\u4f1a\u62a5\u544a\u4e00\u4e2a\u7f16\u8bd1\u65f6\u9519\u8bef\u3002<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u901a\u8fc7\u8c03\u8bd5Java\u51fd\u6570\u91cd\u8f7d\u4ee3\u7801\uff0c\u6211\u4eec\u53ef\u4ee5\u6df1\u5165\u4e86\u89e3JVM\u5982\u4f55\u5728\u8fd0\u884c\u65f6\u9009\u62e9\u8981\u8c03\u7528\u7684\u91cd\u8f7d\u65b9\u6cd5\u3002\u8fd9\u5bf9\u4e8e\u7406\u89e3Java\u7a0b\u5e8f\u5982\u4f55\u5de5\u4f5c\u7684\u5185\u90e8\u673a\u5236\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8ejava,\u51fd\u6570\u91cd\u8f7d\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u901a\u8fc7\u8c03\u8bd5\u4e86\u89e3Java\u51fd\u6570\u91cd\u8f7d\u7684\u6267\u884c\u673a\u5236\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7\u8c03\u8bd5\u4e86\u89e3Java\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-202975","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202975","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=202975"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202975\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}