{"id":115644,"date":"2024-03-23T03:36:14","date_gmt":"2024-03-22T18:36:14","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e4%b8%ad%e7%9a%84%e5%8f%8c%e5%90%91%e9%93%be%e8%a1%a8%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0\/"},"modified":"2024-04-04T23:46:34","modified_gmt":"2024-04-04T14:46:34","slug":"java%e4%b8%ad%e7%9a%84%e5%8f%8c%e5%90%91%e9%93%be%e8%a1%a8%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e4%b8%ad%e7%9a%84%e5%8f%8c%e5%90%91%e9%93%be%e8%a1%a8%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0\/","title":{"rendered":"java\u4e2d\u7684\u53cc\u5411\u94fe\u8868\u600e\u4e48\u5b9e\u73b0"},"content":{"rendered":"<p>Java\u3092\u7528\u3044\u3066\u3001\u72ec\u81ea\u306e\u53cc\u65b9\u5411\u9023\u7d50\u30ea\u30b9\u30c8\u30af\u30e9\u30b9\u3092\u7528\u3044\u3066\u53cc\u65b9\u5411\u9023\u7d50\u30ea\u30b9\u30c8\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u5358\u7d14\u306a\u53cc\u65b9\u5411\u9023\u7d50\u30ea\u30b9\u30c8\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>public class DoublyLinkedList&lt;T&gt; {\r\n    private Node&lt;T&gt; head; \/\/ \u94fe\u8868\u5934\u8282\u70b9\r\n    private Node&lt;T&gt; tail; \/\/ \u94fe\u8868\u5c3e\u8282\u70b9\r\n\r\n    \/\/ \u94fe\u8868\u8282\u70b9\u7c7b\r\n    private static class Node&lt;T&gt; {\r\n        private T data; \/\/ \u8282\u70b9\u6570\u636e\r\n        private Node&lt;T&gt; prev; \/\/ \u524d\u4e00\u4e2a\u8282\u70b9\u5f15\u7528\r\n        private Node&lt;T&gt; next; \/\/ \u540e\u4e00\u4e2a\u8282\u70b9\u5f15\u7528\r\n\r\n        public Node(T data) {\r\n            this.data = data;\r\n        }\r\n    }\r\n\r\n    \/\/ \u5728\u94fe\u8868\u672b\u5c3e\u6dfb\u52a0\u8282\u70b9\r\n    public void add(T data) {\r\n        Node&lt;T&gt; newNode = new Node&lt;&gt;(data);\r\n        if (head == null) {\r\n            head = newNode;\r\n            tail = newNode;\r\n        } else {\r\n            newNode.prev = tail;\r\n            tail.next = newNode;\r\n            tail = newNode;\r\n        }\r\n    }\r\n\r\n    \/\/ \u5728\u94fe\u8868\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u8282\u70b9\r\n    public void insert(int index, T data) {\r\n        if (index &lt; 0 || index &gt; size()) {\r\n            throw new IndexOutOfBoundsException();\r\n        }\r\n\r\n        Node&lt;T&gt; newNode = new Node&lt;&gt;(data);\r\n        if (index == 0) {\r\n            if (head == null) {\r\n                head = newNode;\r\n                tail = newNode;\r\n            } else {\r\n                newNode.next = head;\r\n                head.prev = newNode;\r\n                head = newNode;\r\n            }\r\n        } else if (index == size()) {\r\n            tail.next = newNode;\r\n            newNode.prev = tail;\r\n            tail = newNode;\r\n        } else {\r\n            Node&lt;T&gt; current = getNode(index);\r\n            newNode.prev = current.prev;\r\n            newNode.next = current;\r\n            current.prev.next = newNode;\r\n            current.prev = newNode;\r\n        }\r\n    }\r\n\r\n    \/\/ \u83b7\u53d6\u94fe\u8868\u6307\u5b9a\u4f4d\u7f6e\u7684\u8282\u70b9\r\n    private Node&lt;T&gt; getNode(int index) {\r\n        if (index &lt; 0 || index &gt;= size()) {\r\n            throw new IndexOutOfBoundsException();\r\n        }\r\n\r\n        Node&lt;T&gt; current = head;\r\n        for (int i = 0; i &lt; index; i++) {\r\n            current = current.next;\r\n        }\r\n        return current;\r\n    }\r\n\r\n    \/\/ \u79fb\u9664\u94fe\u8868\u6307\u5b9a\u4f4d\u7f6e\u7684\u8282\u70b9\r\n    public void remove(int index) {\r\n        if (index &lt; 0 || index &gt;= size()) {\r\n            throw new IndexOutOfBoundsException();\r\n        }\r\n\r\n        if (index == 0) {\r\n            head = head.next;\r\n            if (head == null) {\r\n                tail = null;\r\n            } else {\r\n                head.prev = null;\r\n            }\r\n        } else if (index == size() - 1) {\r\n            tail = tail.prev;\r\n            tail.next = null;\r\n        } else {\r\n            Node&lt;T&gt; current = getNode(index);\r\n            current.prev.next = current.next;\r\n            current.next.prev = current.prev;\r\n        }\r\n    }\r\n\r\n    \/\/ \u83b7\u53d6\u94fe\u8868\u5927\u5c0f\r\n    public int size() {\r\n        int count = 0;\r\n        Node&lt;T&gt; current = head;\r\n        while (current != null) {\r\n            count++;\r\n            current = current.next;\r\n        }\r\n        return count;\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u306f\u3001\u53cc\u65b9\u5411\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3001\u30ce\u30fc\u30c9\u306e\u633f\u5165\u3084\u524a\u9664\u3001\u53d6\u5f97\u306a\u3069\u3092\u884c\u3046\u305f\u3081\u306e\u7c21\u5358\u306a\u53cc\u65b9\u5411\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u30af\u30e9\u30b9\u306e\u5b9f\u88c5\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3092\u7528\u3044\u3066\u3001\u72ec\u81ea\u306e\u53cc\u65b9\u5411\u9023\u7d50\u30ea\u30b9\u30c8\u30af\u30e9\u30b9\u3092\u7528\u3044\u3066\u53cc\u65b9\u5411\u9023\u7d50\u30ea\u30b9\u30c8\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u5358\u7d14\u306a\u53cc\u65b9\u5411\u9023\u7d50\u30ea\u30b9\u30c8\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 public class DoublyLinkedList&lt;T&gt; {  [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-115644","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>java\u4e2d\u7684\u53cc\u5411\u94fe\u8868\u600e\u4e48\u5b9e\u73b0 - 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\/java\u4e2d\u7684\u53cc\u5411\u94fe\u8868\u600e\u4e48\u5b9e\u73b0\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"java\u4e2d\u7684\u53cc\u5411\u94fe\u8868\u600e\u4e48\u5b9e\u73b0\" \/>\n<meta property=\"og:description\" content=\"Java\u3092\u7528\u3044\u3066\u3001\u72ec\u81ea\u306e\u53cc\u65b9\u5411\u9023\u7d50\u30ea\u30b9\u30c8\u30af\u30e9\u30b9\u3092\u7528\u3044\u3066\u53cc\u65b9\u5411\u9023\u7d50\u30ea\u30b9\u30c8\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u5358\u7d14\u306a\u53cc\u65b9\u5411\u9023\u7d50\u30ea\u30b9\u30c8\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 public class DoublyLinkedList&lt;T&gt; 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