{"id":202543,"date":"2025-05-22T08:14:44","date_gmt":"2025-05-22T00:14:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202543\/"},"modified":"2025-05-22T08:14:44","modified_gmt":"2025-05-22T00:14:44","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e5%b0%be%e9%80%92%e5%bd%92%e4%bc%98%e5%8c%96%e6%8f%90%e5%8d%87-java-%e5%87%bd%e6%95%b0%e6%80%a7%e8%83%bd%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202543\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7\u5c3e\u9012\u5f52\u4f18\u5316\u63d0\u5347 Java \u51fd\u6570\u6027\u80fd\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u901a\u8fc7\u5c3e\u9012\u5f52\u4f18\u5316\u63d0\u5347 Java \u51fd\u6570\u6027\u80fd\uff1f<\/h1>\n<p>\u600e\u4e48\u5165\u95e8\u6587\u7ae0\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300a\u5982\u4f55\u901a\u8fc7\u5c3e\u9012\u5f52\u4f18\u5316\u63d0\u5347 Java \u51fd\u6570\u6027\u80fd\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n<p>Java Tail Recursion \u4f18\u5316\uff1a\u53ef\u4ee5\u901a\u8fc7\u5c06\u9012\u5f52\u51fd\u6570\u8f6c\u6362\u4e3a\u5faa\u73af\u6765\u6a21\u62df\u5c3e\u9012\u5f52\uff0c\u4ece\u800c\u8282\u7701\u5806\u6808\u7a7a\u95f4\u5f00\u9500\uff0c\u63d0\u5347\u51fd\u6570\u6027\u80fd\u3002\u8f6c\u6362\u6b65\u9aa4\uff1a\u521b\u5efa\u53d8\u91cf\u5b58\u50a8\u5c3e\u9012\u5f52\u8c03\u7528\u53c2\u6570\u3002\u5728\u5faa\u73af\u5185\u6267\u884c\u9012\u5f52\u8c03\u7528\u4e3b\u4f53\u5e76\u66f4\u65b0\u53c2\u6570\u503c\u3002\u5f53\u7279\u5b9a\u6761\u4ef6\u6ee1\u8db3\u65f6\uff0c\u9000\u51fa\u5faa\u73af\u3002\u8fd9\u79cd\u4f18\u5316\u5c06\u5806\u6808\u7a7a\u95f4\u6d88\u8017\u4ece O(n) \u51cf\u5c11\u5230 O(1)\uff0c\u5728\u5927\u91cf\u9012\u5f52\u8c03\u7528\u4e2d\u663e\u8457\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729916243671c6d53e6022.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u901a\u8fc7\u5c3e\u9012\u5f52\u4f18\u5316\u63d0\u5347 Java \u51fd\u6570\u6027\u80fd<\/strong><\/p>\n<p><strong>\u6982\u5ff5<\/strong><\/p>\n<p>\u5c3e\u9012\u5f52\u662f\u6307\u51fd\u6570\u5728\u81ea\u8eab\u7ed3\u675f\u524d\u8fdb\u884c\u7684\u6700\u540e\u4e00\u6b21\u9012\u5f52\u8c03\u7528\u3002\u901a\u8fc7\u4f7f\u7528\u5806\u6808\u6846\u67b6\u800c\u4e0d\u662f\u8c03\u7528\u6808\u6765\u8fdb\u884c\u9012\u5f52\u8c03\u7528\uff0c\u5c3e\u9012\u5f52\u53ef\u4ee5\u8282\u7701\u5927\u91cf\u5f00\u9500\u3002<\/p>\n<p><strong>\u5b9e\u73b0<\/strong><\/p>\n<p>Java \u4e0d\u652f\u6301\u76f4\u63a5\u7684\u5c3e\u9012\u5f52\u4f18\u5316\u3002\u7136\u800c\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c06\u9012\u5f52\u51fd\u6570\u8f6c\u6362\u4e3a\u5faa\u73af\u6765\u6a21\u62df\u5c3e\u9012\u5f52\u3002<\/p>\n<p><strong>\u8f6c\u6362\u8fc7\u7a0b\uff1a<\/strong><\/p>\n<p>\u5c06\u9012\u5f52\u51fd\u6570\u8f6c\u6362\u4e3a\u5faa\u73af\u7684\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\u521b\u5efa\u4e00\u4e2a\u53d8\u91cf\u6765\u5b58\u50a8\u5c3e\u9012\u5f52\u8c03\u7528\u7684\u53c2\u6570\u3002<\/li>\n<li>\u5728\u5faa\u73af\u5185\u90e8\u6267\u884c\u9012\u5f52\u8c03\u7528\u7684\u4e3b\u4f53\u5e76\u66f4\u65b0\u53c2\u6570\u503c\u3002<\/li>\n<li>\u5f53\u7279\u5b9a\u6761\u4ef6\u6ee1\u8db3\u65f6\uff0c\u9000\u51fa\u5faa\u73af\u3002<\/li>\n<\/ol>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u9012\u5f52\u51fd\u6570\uff1a<\/strong><\/p>\n<pre>public static int factorial(int n) {\n    if (n == 0) {\n        return 1;\n    } else {\n        return n * factorial(n - 1);\n    }\n}<\/pre>\n<p><strong>\u8f6c\u6362\u4e3a\u5faa\u73af\uff1a<\/strong><\/p>\n<pre>public static int factorial(int n) {\n    int result = 1;\n    while (n &gt; 0) {\n        result *= n;\n        n--;\n    }\n    return result;\n}<\/pre>\n<p><strong>\u6548\u7387\u5bf9\u6bd4<\/strong><\/p>\n<p>\u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\u540e\uff0cfactorial \u51fd\u6570\u7684\u5806\u6808\u7a7a\u95f4\u6d88\u8017\u4ece O(n) \u51cf\u5c11\u5230 O(1)\u3002\u5728\u5927\u91cf\u7684\u9012\u5f52\u8c03\u7528\u4e2d\uff0c\u8fd9\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5e76\u975e\u6240\u6709\u9012\u5f52\u51fd\u6570\u90fd\u53ef\u4ee5\u8f6c\u6362\u4e3a\u5c3e\u9012\u5f52\u3002<\/li>\n<li>\u5c3e\u9012\u5f52\u4f18\u5316\u53ea\u9002\u7528\u4e8e\u5c3e\u9012\u5f52\u8c03\u7528\uff0c\u5373\u9012\u5f52\u8c03\u7528\u662f\u51fd\u6570\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u8c03\u7528\u3002<\/li>\n<li>\u4f7f\u7528\u5c3e\u9012\u5f52\u4f18\u5316\u65f6\uff0c\u4e0d\u8981\u9057\u6f0f\u9000\u51fa\u6761\u4ef6\uff0c\u5426\u5219\u4f1a\u5bfc\u81f4\u6b7b\u5faa\u73af\u3002<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u5982\u4f55\u901a\u8fc7\u5c3e\u9012\u5f52\u4f18\u5316\u63d0\u5347 Java \u51fd\u6570\u6027\u80fd\uff1f\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7\u5c3e\u9012\u5f52\u4f18\u5316\u63d0\u5347 Java&#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-202543","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202543","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=202543"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202543\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}