{"id":202681,"date":"2025-05-22T10:33:17","date_gmt":"2025-05-22T02:33:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202681\/"},"modified":"2025-05-22T10:33:17","modified_gmt":"2025-05-22T02:33:17","slug":"%e9%87%8d%e8%bd%bd%e6%96%b9%e6%b3%95%e5%9c%a8-java-%e4%bb%a3%e7%a0%81%e4%b8%ad%e7%9a%84%e7%94%a8%e6%b3%95%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202681\/","title":{"rendered":"\u91cd\u8f7d\u65b9\u6cd5\u5728 Java \u4ee3\u7801\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u91cd\u8f7d\u65b9\u6cd5\u5728 Java \u4ee3\u7801\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u91cd\u8f7d\u65b9\u6cd5\u5728 Java \u4ee3\u7801\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

Java\u4e2d\uff0c\u91cd\u8f7d\u7684\u65b9\u6cd5\u5177\u6709\u76f8\u540c\u540d\u79f0\uff0c\u4f46\u4e0d\u540c\u53c2\u6570\u6216\u8fd4\u56de\u7c7b\u578b\uff0c\u53ef\u6839\u636e\u4e0d\u540c\u53c2\u6570\u7ec4\u5408\u521b\u5efa\u4e0d\u540c\u884c\u4e3a\u7684\u65b9\u6cd5\u3002\u8bed\u6cd5\u4e3a\uff1apublic <return_type> method_name(parameter_list)\u3002\u901a\u8fc7\u66f4\u6539\u53c2\u6570\u5217\u8868\u91cd\u8f7d\u65b9\u6cd5\u3002\u5b9e\u6218\u4e2d\uff0c\u901a\u8fc7\u63d0\u4f9b\u4e0d\u540c\u53c2\u6570\u7c7b\u578b\uff0c\u53ef\u8ba9\u91cd\u8f7d\u65b9\u6cd5\u6267\u884c\u4e0d\u540c\u884c\u4e3a\u7684\u7b97\u672f\u8fd0\u7b97\u3002<\/p>\n

<\/p>\n

Java \u4e2d\u91cd\u8f7d\u65b9\u6cd5\u7684\u7528\u6cd5<\/h2>\n

\u7b80\u4ecb<\/strong><\/p>\n

\u91cd\u8f7d\u662f\u4e00\u79cd\u5728 Java \u4e2d\u58f0\u660e\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u53c2\u6570\u4e0d\u540c\u6216\u8fd4\u56de\u7c7b\u578b\u4e0d\u540c\u7684\u591a\u4e2a\u65b9\u6cd5\u7684\u80fd\u529b\u3002\u5b83\u5141\u8bb8\u6839\u636e\u6240\u63d0\u4f9b\u53c2\u6570\u7684\u4e0d\u540c\u7ec4\u5408\u6765\u521b\u5efa\u5177\u6709\u4e0d\u540c\u884c\u4e3a\u7684\u65b9\u6cd5\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

\u65b9\u6cd5\u7684\u91cd\u8f7d\u901a\u8fc7\u4f7f\u7528\u76f8\u540c\u7684\u540d\u79f0\u5e76\u66f4\u6539\u5176\u53c2\u6570\u5217\u8868\u6765\u5b9a\u4e49\u3002\u4ee5\u4e0b\u662f\u91cd\u8f7d\u65b9\u6cd5\u7684\u57fa\u672c\u8bed\u6cd5\uff1a<\/p>\n

public <return_type> method_name(parameter_list) {\n    \/\/ \u65b9\u6cd5\u4f53\n}<\/pre>\n
\u793a\u4f8b<\/strong><\/p>\n
\u8003\u8651\u4ee5\u4e0b\u4ee3\u7801\u4e2d\u7684\u91cd\u8f7d\u65b9\u6cd5\uff1a<\/p>\n
public class Calculation {\n\n    public int add(int num1, int num2) {\n        return num1 + num2;\n    }\n\n    public double add(double num1, double num2) {\n        return num1 + num2;\n    }\n}<\/pre>\n
\u5728\u6b64\u4ee3\u7801\u4e2d\uff0cCalculation<\/code> \u7c7b\u6709\u4e24\u79cd add<\/code> \u65b9\u6cd5\uff1a<\/p>\n
    \n
  • \u7b2c\u4e00\u4e2a add<\/code> \u65b9\u6cd5\u63a5\u53d7\u4e24\u4e2a int<\/code> \u53c2\u6570\u5e76\u8fd4\u56de\u5b83\u4eec\u7684\u603b\u548c\u3002<\/li>\n
  • \u7b2c\u4e8c\u4e2a add<\/code> \u65b9\u6cd5\u63a5\u53d7\u4e24\u4e2a double<\/code> \u53c2\u6570\u5e76\u8fd4\u56de\u5b83\u4eec\u7684\u603b\u548c\u3002<\/li>\n<\/ul>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
    \u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u5b9e\u6218\u6848\u4f8b\u6765\u6f14\u793a\u91cd\u8f7d\u65b9\u6cd5\u7684\u7528\u6cd5\uff1a<\/p>\n
    public class Main {\n\n    public static void main(String[] args) {\n        Calculation calc = new Calculation();\n\n        int sum1 = calc.add(10, 20);\n        System.out.println(\"\u52a0\u6cd5\uff08\u6574\u6570\uff09\uff1a\" + sum1);\n\n        double sum2 = calc.add(10.5, 20.7);\n        System.out.println(\"\u52a0\u6cd5\uff08\u6d6e\u70b9\u6570\uff09\uff1a\" + sum2);\n    }\n}<\/pre>\n
    \u8f93\u51fa\uff1a<\/p>\n
    \u52a0\u6cd5\uff08\u6574\u6570\uff09\uff1a30\n\u52a0\u6cd5\uff08\u6d6e\u70b9\u6570\uff09\uff1a31.2<\/pre>\n
    \u5728\u6b64\u793a\u4f8b\u4e2d\uff0cadd<\/code> \u65b9\u6cd5\u7684\u4e24\u79cd\u7248\u672c\u90fd\u7528\u4e8e\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\uff0c\u4f46\u6839\u636e\u6240\u63d0\u4f9b\u7684\u53c2\u6570\u7c7b\u578b\uff0c\u5b83\u4eec\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u884c\u4e3a\u3002<\/p>\n
    \u672c\u7bc7\u5173\u4e8e\u300a\u91cd\u8f7d\u65b9\u6cd5\u5728 Java \u4ee3\u7801\u4e2d\u7684\u7528\u6cd5\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u91cd\u8f7d\u65b9\u6cd5\u5728 Java \u4ee3\u7801\u4e2d\u7684\u7528...<\/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-202681","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202681","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=202681"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202681\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202681"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}