{"id":6206,"date":"2021-08-21T01:18:10","date_gmt":"2021-08-20T19:48:10","guid":{"rendered":"https:\/\/golangbyexamples.com\/?p=6206"},"modified":"2021-08-21T01:18:52","modified_gmt":"2021-08-20T19:48:52","slug":"reverse-linked-list-golang","status":"publish","type":"post","link":"https:\/\/golangbyexamples.com\/reverse-linked-list-golang\/","title":{"rendered":"Reverse a linked list in Go (Golang)"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy counter-decimal ez-toc-light-blue\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/golangbyexamples.com\/reverse-linked-list-golang\/#Overview\" title=\"Overview\">Overview<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/golangbyexamples.com\/reverse-linked-list-golang\/#Program\" title=\"Program\">Program<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"has-large-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"Overview\"><\/span><strong>Overview<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-medium-font-size\">The objective is to reverse a given linked list.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Eg<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">Input:  3->2->1\nOutput: 1->2->3<\/code><\/pre>\n\n\n\n<h2 class=\"has-large-font-size wp-block-heading\"><span class=\"ez-toc-section\" id=\"Program\"><\/span><strong>Program<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-medium-font-size\">Below is a program for the same<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">package main\n\nimport \"fmt\"\n\nfunc main() {\n\tfirst := initList()\n\tfirst.AddFront(1)\n\tfirst.AddFront(2)\n\tfirst.AddFront(3)\n\tfirst.AddFront(4)\n\n\tfirst.Head.Traverse()\n\tfirst.Reverse()\n        fmt.Println(\"\")\n\tfirst.Head.Traverse()\n\n}\n\nfunc initList() *SingleList {\n\treturn &SingleList{}\n}\n\ntype ListNode struct {\n\tVal  int\n\tNext *ListNode\n}\n\nfunc (l *ListNode) Traverse() {\n\tfor l != nil {\n\t\tfmt.Println(l.Val)\n\t\tl = l.Next\n\t}\n}\n\ntype SingleList struct {\n\tLen  int\n\tHead *ListNode\n}\n\nfunc (s *SingleList) Reverse() {\n\n\tcurr := s.Head\n\tvar prev *ListNode\n\tvar next *ListNode\n\n\tfor curr != nil {\n\t\tnext = curr.Next\n\t\tcurr.Next = prev\n\t\tprev = curr\n\t\tcurr = next\n\t}\n\ts.Head = prev\n}\nfunc (s *SingleList) AddFront(num int) {\n\tele := &ListNode{\n\t\tVal: num,\n\t}\n\tif s.Head == nil {\n\t\ts.Head = ele\n\t} else {\n\t\tele.Next = s.Head\n\t\ts.Head = ele\n\t}\n\ts.Len++\n}<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Output<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-go\">4\n3\n2\n1\n\n1\n2\n3\n4<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Note: <\/strong>Check out our Golang Advanced Tutorial. The tutorials in this series are elaborative and we have tried to cover all concepts with examples. This tutorial is for those who are looking to gain expertise and a solid understanding of golang &#8211; <a href=\"https:\/\/golangbyexamples.com\/golang-comprehensive-tutorial\/\">Golang Advance Tutorial<\/a><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Also if you are interested in understanding how all design patterns can be implemented in Golang. If yes, then this post is for you &#8211;<a href=\"https:\/\/golangbyexamples.com\/all-design-patterns-golang\/\">All Design Patterns Golang<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents OverviewProgram Overview The objective is to reverse a given linked list. Eg Program Below is a program for the same Output Note: Check out our Golang Advanced Tutorial. The&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[1],"tags":[3,4],"class_list":["post-6206","post","type-post","status-publish","format-standard","hentry","category-tech","tag-go","tag-golang"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Reverse a linked list in Go (Golang) - Welcome To Golang By Example<\/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:\/\/golangbyexamples.com\/reverse-linked-list-golang\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reverse a linked list in Go (Golang) - Welcome To Golang By Example\" \/>\n<meta property=\"og:description\" content=\"Table of Contents OverviewProgram Overview The objective is to reverse a given linked list. 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