{"id":202811,"date":"2025-05-22T08:37:12","date_gmt":"2025-05-22T00:37:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202811\/"},"modified":"2025-05-22T08:37:12","modified_gmt":"2025-05-22T00:37:12","slug":"java-%e4%b8%ad%e5%87%bd%e6%95%b0%e9%80%92%e5%bd%92%e7%9a%84%e5%ae%9e%e7%8e%b0%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202811\/","title":{"rendered":"Java \u4e2d\u51fd\u6570\u9012\u5f52\u7684\u5b9e\u73b0\u539f\u7406"},"content":{"rendered":"

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

Java \u4e2d\u51fd\u6570\u9012\u5f52\u7684\u5b9e\u73b0\u539f\u7406<\/h1>\n

\u4f60\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300aJava \u4e2d\u51fd\u6570\u9012\u5f52\u7684\u5b9e\u73b0\u539f\u7406\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n

<\/p>\n

Java \u4e2d\u51fd\u6570\u9012\u5f52\u7684\u5b9e\u73b0\u539f\u7406\u53ca\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n

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

\u9012\u5f52\u662f Java \u4e2d\u4e00\u9879\u5f3a\u5927\u7684\u7f16\u7a0b\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u3002\u8fd9\u5141\u8bb8\u7a0b\u5e8f\u5458\u7f16\u5199\u7b80\u6d01\u9ad8\u6548\u7684\u4ee3\u7801\u6765\u89e3\u51b3\u590d\u6742\u95ee\u9898\u3002<\/p>\n

\u5b9e\u73b0\u539f\u7406<\/strong><\/p>\n

\u5f53\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u65f6\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u51fd\u6570\u6808\u5e27\u5e76\u8fdb\u5165\u51fd\u6570\u3002\u6bcf\u4e2a\u6808\u5e27\u90fd\u5305\u542b\u51fd\u6570\u5c40\u90e8\u53d8\u91cf\u548c\u51fd\u6570\u8fd4\u56de\u5730\u5740\u3002\u51fd\u6570\u8c03\u7528\u591a\u6b21\u540e\uff0c\u5c06\u521b\u5efa\u591a\u4e2a\u6808\u5e27\u3002\u5f53\u51fd\u6570\u6700\u7ec8\u6267\u884c\u5b8c\u6bd5\u65f6\uff0c\u6808\u5e27\u5c06\u6839\u636e\u8c03\u7528\u987a\u5e8f\u9010\u4e2a\u5f39\u51fa\u3002<\/p>\n

\u5b9e\u6218\u6848\u4f8b\uff1a\u9636\u4e58\u8ba1\u7b97<\/strong><\/p>\n

\u4e3a\u4e86\u5c55\u793a\u9012\u5f52\u7684\u5b9e\u9645\u5e94\u7528\uff0c\u6211\u4eec\u8ba1\u7b97\u9636\u4e58\u3002\u9636\u4e58\u5b9a\u4e49\u4e3a\u4e00\u4e2a\u6b63\u6574\u6570\u7684\u6b63\u6574\u6570\u56e0\u6570\u7684\u4e58\u79ef\u3002\u4f8b\u5982\uff0c5 \u7684\u9636\u4e58\u4e3a 5 x 4 x 3 x 2 x 1 = 120\u3002<\/p>\n

\u4ee5\u4e0b Java \u4ee3\u7801\u4f7f\u7528\u9012\u5f52\u8ba1\u7b97\u9636\u4e58\uff1a<\/p>\n

public class Factorial {\n\n    public static int calculateFactorial(int number) {\n        if (number == 0) {\n            return 1;\n        } else {\n            return number * calculateFactorial(number - 1);\n        }\n    }\n\n    public static void main(String[] args) {\n        int result = calculateFactorial(5);\n        System.out.println(\"5 \u7684\u9636\u4e58\u4e3a\uff1a\" + result);\n    }\n}<\/pre>\n
\u89e3\u91ca<\/strong><\/p>\n
    \n
  • calculateFactorial<\/code> \u51fd\u6570\u4f7f\u7528\u9012\u5f52\u8ba1\u7b97\u9636\u4e58\u3002\u5f53 number<\/code> \u4e3a 0 \u65f6\uff0c\u51fd\u6570\u8fd4\u56de 1\uff08\u9636\u4e58\u7684\u8fb9\u754c\u6761\u4ef6\uff09\u3002\u5426\u5219\uff0c\u51fd\u6570\u8c03\u7528\u81ea\u8eab\u5e76\u4f20\u9012 number - 1<\/code> \u4f5c\u4e3a\u53c2\u6570\u3002<\/li>\n
  • \n
    \u5bf9\u4e8e number<\/code> \u4e3a 5 \u7684\u60c5\u51b5\uff0c\u51fd\u6570\u6808\u5e27\u5c06\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
    \u6808\u5e27 1\uff1anumber = 5\n\u6808\u5e27 2\uff1anumber = 4\n\u6808\u5e27 3\uff1anumber = 3\n\u6808\u5e27 4\uff1anumber = 2\n\u6808\u5e27 5\uff1anumber = 1\n\u6808\u5e27 6\uff1anumber = 0<\/pre>\n
    \u7136\u540e\uff0c\u6808\u5e27\u6309\u7167\u8c03\u7528\u987a\u5e8f\u5f39\u51fa\uff0c\u5e76\u8fd4\u56de\u8ba1\u7b97\u7ed3\u679c\uff1a120\u3002<\/p>\n<\/li>\n<\/ul>\n
    \u7ed3\u8bba<\/strong><\/p>\n
    \u9012\u5f52\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u7f16\u7a0b\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u7f16\u5199\u7b80\u6d01\u9ad8\u6548\u7684\u4ee3\u7801\u6765\u89e3\u51b3\u590d\u6742\u95ee\u9898\u3002\u901a\u8fc7\u4e86\u89e3 Java \u4e2d\u51fd\u6570\u9012\u5f52\u7684\u5b9e\u73b0\u539f\u7406\u548c\u5b9e\u6218\u6848\u4f8b\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u638c\u63e1\u4f7f\u7528\u8fd9\u9879\u6280\u672f\u4ee5\u83b7\u5f97\u66f4\u597d\u7684\u4ee3\u7801\u8d28\u91cf\u3002<\/p>\n
    \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
    Java \u4e2d\u51fd\u6570\u9012\u5f52\u7684\u5b9e\u73b0\u539f\u7406 ...<\/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-202811","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202811","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=202811"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202811\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}