{"id":22745,"date":"2024-03-16T00:05:18","date_gmt":"2024-03-16T00:05:18","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-create-and-use-a-linked-list-class-in-c\/"},"modified":"2024-03-21T23:36:51","modified_gmt":"2024-03-21T23:36:51","slug":"how-to-create-and-use-a-linked-list-class-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-create-and-use-a-linked-list-class-in-c\/","title":{"rendered":"How to create and use a linked list class in C++?"},"content":{"rendered":"<p>To create and use a C++ linked list class, you can follow these steps:<\/p>\n<ol>\n<li>Create a node class: A node class represents a node in a linked list, typically containing a data member and a pointer to the next node.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Node<\/span> {\r\n<span class=\"hljs-keyword\">public<\/span>:\r\n    <span class=\"hljs-type\">int<\/span> data;\r\n    Node* next;\r\n};\r\n<\/code><\/pre>\n<ol>\n<li>Create a linked list class that includes methods for operations such as inserting, deleting, and printing nodes in the linked list.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">LinkedList<\/span> {\r\n<span class=\"hljs-keyword\">private<\/span>:\r\n    Node* head;\r\n<span class=\"hljs-keyword\">public<\/span>:\r\n    <span class=\"hljs-built_in\">LinkedList<\/span>() {\r\n        head = <span class=\"hljs-literal\">nullptr<\/span>;  <span class=\"hljs-comment\">\/\/ \u521d\u59cb\u5316\u94fe\u8868\u4e3a\u7a7a<\/span>\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5728\u94fe\u8868\u672b\u5c3e\u63d2\u5165\u4e00\u4e2a\u8282\u70b9<\/span>\r\n    <span class=\"hljs-function\"><span class=\"hljs-type\">void<\/span> <span class=\"hljs-title\">insert<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> value)<\/span> <\/span>{\r\n        Node* newNode = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-built_in\">Node<\/span>();\r\n        newNode-&gt;data = value;\r\n        newNode-&gt;next = <span class=\"hljs-literal\">nullptr<\/span>;\r\n\r\n        <span class=\"hljs-keyword\">if<\/span> (head == <span class=\"hljs-literal\">nullptr<\/span>) {\r\n            head = newNode;\r\n        } <span class=\"hljs-keyword\">else<\/span> {\r\n            Node* current = head;\r\n            <span class=\"hljs-keyword\">while<\/span> (current-&gt;next != <span class=\"hljs-literal\">nullptr<\/span>) {\r\n                current = current-&gt;next;\r\n            }\r\n            current-&gt;next = newNode;\r\n        }\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5220\u9664\u6307\u5b9a\u503c\u7684\u8282\u70b9<\/span>\r\n    <span class=\"hljs-function\"><span class=\"hljs-type\">void<\/span> <span class=\"hljs-title\">remove<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> value)<\/span> <\/span>{\r\n        <span class=\"hljs-keyword\">if<\/span> (head == <span class=\"hljs-literal\">nullptr<\/span>) {\r\n            <span class=\"hljs-keyword\">return<\/span>;\r\n        }\r\n\r\n        <span class=\"hljs-keyword\">if<\/span> (head-&gt;data == value) {\r\n            Node* temp = head;\r\n            head = head-&gt;next;\r\n            <span class=\"hljs-keyword\">delete<\/span> temp;\r\n            <span class=\"hljs-keyword\">return<\/span>;\r\n        }\r\n\r\n        Node* previous = head;\r\n        Node* current = head-&gt;next;\r\n        <span class=\"hljs-keyword\">while<\/span> (current != <span class=\"hljs-literal\">nullptr<\/span>) {\r\n            <span class=\"hljs-keyword\">if<\/span> (current-&gt;data == value) {\r\n                previous-&gt;next = current-&gt;next;\r\n                <span class=\"hljs-keyword\">delete<\/span> current;\r\n                <span class=\"hljs-keyword\">return<\/span>;\r\n            }\r\n            previous = current;\r\n            current = current-&gt;next;\r\n        }\r\n    }\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u6253\u5370\u94fe\u8868\u4e2d\u7684\u6240\u6709\u8282\u70b9\u503c<\/span>\r\n    <span class=\"hljs-function\"><span class=\"hljs-type\">void<\/span> <span class=\"hljs-title\">print<\/span><span class=\"hljs-params\">()<\/span> <\/span>{\r\n        Node* current = head;\r\n        <span class=\"hljs-keyword\">while<\/span> (current != <span class=\"hljs-literal\">nullptr<\/span>) {\r\n            cout &lt;&lt; current-&gt;data &lt;&lt; <span class=\"hljs-string\">\" \"<\/span>;\r\n            current = current-&gt;next;\r\n        }\r\n        cout &lt;&lt; endl;\r\n    }\r\n};\r\n<\/code><\/pre>\n<ol>\n<li>Use the linked list class: In your main program, you can create a linked list object and utilize its methods.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">()<\/span> <\/span>{\r\n    LinkedList list;\r\n    list.<span class=\"hljs-built_in\">insert<\/span>(<span class=\"hljs-number\">1<\/span>);\r\n    list.<span class=\"hljs-built_in\">insert<\/span>(<span class=\"hljs-number\">2<\/span>);\r\n    list.<span class=\"hljs-built_in\">insert<\/span>(<span class=\"hljs-number\">3<\/span>);\r\n    list.<span class=\"hljs-built_in\">print<\/span>();  <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1a1 2 3<\/span>\r\n\r\n    list.<span class=\"hljs-built_in\">remove<\/span>(<span class=\"hljs-number\">2<\/span>);\r\n    list.<span class=\"hljs-built_in\">print<\/span>();  <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\uff1a1 3<\/span>\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>This is a simple example of a linked list class that you can modify and expand according to your needs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To create and use a C++ linked list class, you can follow these steps: Create a node class: A node class represents a node in a linked list, typically containing a data member and a pointer to the next node. class Node { public: int data; Node* next; }; Create a linked list class that [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-22745","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>How to create and use a linked list class in C++? - 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\/blog\/how-to-create-and-use-a-linked-list-class-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to create and use a linked list class in C++?\" \/>\n<meta property=\"og:description\" content=\"To create and use a C++ linked list class, you can follow these steps: Create a node class: A node class represents a node in a linked list, typically containing a data member and a pointer to the next node. class Node { public: int data; Node* next; }; Create a linked list class that [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-create-and-use-a-linked-list-class-in-c\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" 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