{"id":116583,"date":"2024-03-23T07:10:11","date_gmt":"2024-03-22T22:10:11","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%83%aa%e3%82%b9%e3%83%88%e3%82%92%e5%8f%8d%e8%bb%a2%e3%81%99%e3%82%8b-java-%e3%81%ae%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-04T17:38:11","modified_gmt":"2024-04-04T08:38:11","slug":"%e3%83%aa%e3%82%b9%e3%83%88%e3%82%92%e5%8f%8d%e8%bb%a2%e3%81%99%e3%82%8b-java-%e3%81%ae%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%83%aa%e3%82%b9%e3%83%88%e3%82%92%e5%8f%8d%e8%bb%a2%e3%81%99%e3%82%8b-java-%e3%81%ae%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u30ea\u30b9\u30c8\u3092\u53cd\u8ee2\u3059\u308b Java \u306e\u65b9\u6cd5"},"content":{"rendered":"<p>\u518d\u5e30\u3001\u307e\u305f\u306f\u53cd\u5fa9\u3092\u5229\u7528\u3057\u3066\u3001\u9023\u7d50\u30ea\u30b9\u30c8\u306e\u53cd\u8ee2\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u518d\u5e30\u306b\u3088\u308a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">ListNode<\/span> {\r\n    <span class=\"hljs-type\">int<\/span> val;\r\n    ListNode next;\r\n    ListNode(<span class=\"hljs-type\">int<\/span> val) {\r\n        <span class=\"hljs-built_in\">this<\/span>.val = val;\r\n    }\r\n}\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Solution<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> ListNode <span class=\"hljs-title function_\">reverseList<\/span><span class=\"hljs-params\">(ListNode head)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u5982\u679c\u94fe\u8868\u4e3a\u7a7a\u6216\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\uff0c\u65e0\u9700\u53cd\u8f6c\uff0c\u76f4\u63a5\u8fd4\u56de\u539f\u94fe\u8868\u5934\u8282\u70b9<\/span>\r\n        <span class=\"hljs-keyword\">if<\/span> (head == <span class=\"hljs-literal\">null<\/span> || head.next == <span class=\"hljs-literal\">null<\/span>) {\r\n            <span class=\"hljs-keyword\">return<\/span> head;\r\n        }\r\n        \r\n        <span class=\"hljs-type\">ListNode<\/span> <span class=\"hljs-variable\">newHead<\/span> <span class=\"hljs-operator\">=<\/span> reverseList(head.next); <span class=\"hljs-comment\">\/\/ \u53cd\u8f6c\u4ee5head.next\u4e3a\u5934\u8282\u70b9\u7684\u5b50\u94fe\u8868<\/span>\r\n        head.next.next = head; <span class=\"hljs-comment\">\/\/ \u5c06head\u8282\u70b9\u8fde\u63a5\u5230\u53cd\u8f6c\u540e\u7684\u5b50\u94fe\u8868\u7684\u5c3e\u90e8<\/span>\r\n        head.next = <span class=\"hljs-literal\">null<\/span>; <span class=\"hljs-comment\">\/\/ \u5c06head\u8282\u70b9\u7684next\u7f6e\u4e3anull<\/span>\r\n        \r\n        <span class=\"hljs-keyword\">return<\/span> newHead; <span class=\"hljs-comment\">\/\/ \u8fd4\u56de\u65b0\u7684\u5934\u8282\u70b9<\/span>\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u53cd\u5fa9\u7684\u306a\u65b9\u6cd5\u3067<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">ListNode<\/span> {\r\n    <span class=\"hljs-type\">int<\/span> val;\r\n    ListNode next;\r\n    ListNode(<span class=\"hljs-type\">int<\/span> val) {\r\n        <span class=\"hljs-built_in\">this<\/span>.val = val;\r\n    }\r\n}\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Solution<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> ListNode <span class=\"hljs-title function_\">reverseList<\/span><span class=\"hljs-params\">(ListNode head)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u5982\u679c\u94fe\u8868\u4e3a\u7a7a\u6216\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\uff0c\u65e0\u9700\u53cd\u8f6c\uff0c\u76f4\u63a5\u8fd4\u56de\u539f\u94fe\u8868\u5934\u8282\u70b9<\/span>\r\n        <span class=\"hljs-keyword\">if<\/span> (head == <span class=\"hljs-literal\">null<\/span> || head.next == <span class=\"hljs-literal\">null<\/span>) {\r\n            <span class=\"hljs-keyword\">return<\/span> head;\r\n        }\r\n        \r\n        <span class=\"hljs-type\">ListNode<\/span> <span class=\"hljs-variable\">prev<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-literal\">null<\/span>; <span class=\"hljs-comment\">\/\/ \u5f53\u524d\u8282\u70b9\u7684\u524d\u4e00\u4e2a\u8282\u70b9<\/span>\r\n        <span class=\"hljs-type\">ListNode<\/span> <span class=\"hljs-variable\">curr<\/span> <span class=\"hljs-operator\">=<\/span> head; <span class=\"hljs-comment\">\/\/ \u5f53\u524d\u8282\u70b9<\/span>\r\n        \r\n        <span class=\"hljs-keyword\">while<\/span> (curr != <span class=\"hljs-literal\">null<\/span>) {\r\n            <span class=\"hljs-type\">ListNode<\/span> <span class=\"hljs-variable\">next<\/span> <span class=\"hljs-operator\">=<\/span> curr.next; <span class=\"hljs-comment\">\/\/ \u5f53\u524d\u8282\u70b9\u7684\u4e0b\u4e00\u4e2a\u8282\u70b9<\/span>\r\n            curr.next = prev; <span class=\"hljs-comment\">\/\/ \u53cd\u8f6c\u6307\u9488\u6307\u5411\u524d\u4e00\u4e2a\u8282\u70b9<\/span>\r\n            prev = curr; <span class=\"hljs-comment\">\/\/ \u66f4\u65b0\u5f53\u524d\u8282\u70b9\u7684\u524d\u4e00\u4e2a\u8282\u70b9<\/span>\r\n            curr = next; <span class=\"hljs-comment\">\/\/ \u66f4\u65b0\u5f53\u524d\u8282\u70b9\u4e3a\u4e0b\u4e00\u4e2a\u8282\u70b9<\/span>\r\n        }\r\n        \r\n        <span class=\"hljs-keyword\">return<\/span> prev; <span class=\"hljs-comment\">\/\/ \u8fd4\u56de\u65b0\u7684\u5934\u8282\u70b9<\/span>\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4e00\u822c\u7684\u306a 2 \u3064\u306e\u30ea\u30d0\u30fc\u30b9 \u30ea\u30b9\u30c8\u306e\u5b9f\u88c5\u65b9\u6cd5\u306f\u4ee5\u4e0a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u518d\u5e30\u3001\u307e\u305f\u306f\u53cd\u5fa9\u3092\u5229\u7528\u3057\u3066\u3001\u9023\u7d50\u30ea\u30b9\u30c8\u306e\u53cd\u8ee2\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 \u518d\u5e30\u306b\u3088\u308a class ListNode { int val; ListNode next; ListNode(int val) { this.val = v [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-116583","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u30ea\u30b9\u30c8\u3092\u53cd\u8ee2\u3059\u308b Java \u306e\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/\u30ea\u30b9\u30c8\u3092\u53cd\u8ee2\u3059\u308b-java-\u306e\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30ea\u30b9\u30c8\u3092\u53cd\u8ee2\u3059\u308b Java \u306e\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"\u518d\u5e30\u3001\u307e\u305f\u306f\u53cd\u5fa9\u3092\u5229\u7528\u3057\u3066\u3001\u9023\u7d50\u30ea\u30b9\u30c8\u306e\u53cd\u8ee2\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 \u518d\u5e30\u306b\u3088\u308a class ListNode { int val; 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