{"id":1441,"date":"2025-05-28T13:28:37","date_gmt":"2025-05-28T13:28:37","guid":{"rendered":"https:\/\/www.wordpress-prod.sharpener.tech\/?p=1441"},"modified":"2025-05-29T06:52:45","modified_gmt":"2025-05-29T06:52:45","slug":"linked-list-data-structure","status":"publish","type":"post","link":"https:\/\/www.sharpener.tech\/blog\/linked-list-data-structure\/","title":{"rendered":"linked-list-data-structure"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.wordpress-prod.sharpener.tech\/wp-content\/uploads\/2025\/05\/ChatGPT-Image-May-28-2025-06_41_40-PM-1024x683.jpg\" alt=\"\" class=\"wp-image-1442\" srcset=\"https:\/\/sharpener-wordpress.s3.ap-south-1.amazonaws.com\/blog\/wp-content\/uploads\/2025\/05\/28132401\/ChatGPT-Image-May-28-2025-06_41_40-PM-1024x683.jpg 1024w, https:\/\/sharpener-wordpress.s3.ap-south-1.amazonaws.com\/blog\/wp-content\/uploads\/2025\/05\/28132401\/ChatGPT-Image-May-28-2025-06_41_40-PM-300x200.jpg 300w, https:\/\/sharpener-wordpress.s3.ap-south-1.amazonaws.com\/blog\/wp-content\/uploads\/2025\/05\/28132401\/ChatGPT-Image-May-28-2025-06_41_40-PM-768x512.jpg 768w, https:\/\/sharpener-wordpress.s3.ap-south-1.amazonaws.com\/blog\/wp-content\/uploads\/2025\/05\/28132401\/ChatGPT-Image-May-28-2025-06_41_40-PM.jpg 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Mastering a programming language involves understanding the concept of a linked list as it forms the basis of a lot of algorithms in computer science. The data structure shows up in coding interviews, system designs, and real life applications quite a lot.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This blog aims to cover the definition and types of lists, comparisons with arrays, and applications in both tech and non-tech fields.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you are a novice or preparing for interviews, this guide will step you through with Linked Lists to ensure mastery of the topic.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">What Do You Mean By A Linked List?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A linked list is a form of linear data structure where elements (called nodes) are stored in a sequence but not in contiguous memory locations as in the case of arrays. Each node contains:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Data<\/strong><strong><br><\/strong><\/li>\n\n\n\n<li><strong>A pointer (or reference) to the next node<\/strong><strong><br><\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Visualize it as a chain \u2013 each link (node) knows where the next link is.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Linked List in Data Structures and Algorithms<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stacks, queues, graphs and many more can be built using linked lists in DSA. Linked lists are very useful since they are capable of dynamic memory allocation unlike arrays which have to be of a set size.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Sharpenerian\u2019s work at the best companies!<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"429\" src=\"https:\/\/www.wordpress-prod.sharpener.tech\/wp-content\/uploads\/2025\/05\/Sharpener-works--1024x429.png\" alt=\"Sharpenerians work at the best companies\" class=\"wp-image-1059\" srcset=\"https:\/\/sharpener-wordpress.s3.ap-south-1.amazonaws.com\/blog\/wp-content\/uploads\/2025\/05\/13092711\/Sharpener-works--1024x429.png 1024w, https:\/\/sharpener-wordpress.s3.ap-south-1.amazonaws.com\/blog\/wp-content\/uploads\/2025\/05\/13092711\/Sharpener-works--300x126.png 300w, https:\/\/sharpener-wordpress.s3.ap-south-1.amazonaws.com\/blog\/wp-content\/uploads\/2025\/05\/13092711\/Sharpener-works--768x321.png 768w, https:\/\/sharpener-wordpress.s3.ap-south-1.amazonaws.com\/blog\/wp-content\/uploads\/2025\/05\/13092711\/Sharpener-works-.png 1534w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/student.sharpener.tech\/register\">Register For Free<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Types of Linked Lists<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding the <strong>types of linked lists<\/strong> helps in selecting the right one based on your use case.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Singly Linked List<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Each node points to the next node.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">text<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CopyEdit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[Data | Next] \u2192 [Data | Next] \u2192 NULL<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Easy to implement<br><\/li>\n\n\n\n<li>Used for simple linear traversal<br><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Doubly Linked List<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Every vertex points to both the previous and the next vertex.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">text<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CopyEdit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">NULL \u2190 [Prev | Data | Next] \u2194 [Prev | Data | Next] \u2192 NULL<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Allows traversal in both directions<br><\/li>\n\n\n\n<li>Slightly more memory due to extra pointer<br><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Circular Linked List<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The last node connects back to the first node.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">text<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CopyEdit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[Data | Next ] \u2192 \u2026\u2192 [Data | Next] \u21bb (points back to the head)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Useful for cyclic data processing like round-robin scheduling<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Each of these has its strengths. For example, <strong>circular linked list usage<\/strong> is common in applications where the list needs to be accessed in a loop.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Common Operations in Linked List<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Let\u2019s go through the core actions you can perform:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Insertion and Deletion in Linked List<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">These are the two main operations. Linked lists allow inserting or deleting elements:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>At the beginning<br><\/li>\n\n\n\n<li>At the end<br><\/li>\n\n\n\n<li>In the middle (at a given position)<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike arrays, you don\u2019t need to shift elements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">python<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CopyEdit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"># Basic insertion at head (Python)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">class Node:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;def __init__(self, data):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;self.data = data<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.next = None<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">def insert_at_head(head, data):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;new_node = Node(data)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;new_node.next = head<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;return new_node<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Linked List Traversal Techniques<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Traversing means moving from one node to the next. For <strong>singly linked lists<\/strong>, this is done in one direction. You are able to go both ways in doubly linked lists.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">python<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CopyEdit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"># Traversing a singly linked list<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">def traverse(head):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;while head:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;print(head.data)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;head = head.next<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Linked List vs Array Performance<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choosing between a <strong>linked list<\/strong> and an <strong>array<\/strong> depends on what you need.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Feature<\/strong><\/td><td><strong>Array<\/strong><\/td><td><strong>Linked List<\/strong><\/td><\/tr><tr><td>Memory allocation<\/td><td>Fixed<\/td><td>Dynamic<\/td><\/tr><tr><td>Insertion at front<\/td><td>O(n)<\/td><td>O(1)<\/td><\/tr><tr><td>Deletion at front<\/td><td>O(n)<\/td><td>O(1)<\/td><\/tr><tr><td>Random access<\/td><td>O(1)<\/td><td>O(n)<\/td><\/tr><tr><td>Cache friendliness<\/td><td>High<\/td><td>Low<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Advantages of Linked List Over Array<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>No fixed size<\/strong> \u2014 grows dynamically<br><\/li>\n\n\n\n<li><strong>Efficient insertions and deletions<\/strong><strong><br><\/strong><\/li>\n\n\n\n<li>No need to shift elements<br><\/li>\n\n\n\n<li>Useful for implementing stacks, queues, and graphs<br><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>When to Use Linked List Over Array?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Use linked lists when:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Frequent insertions\/deletions are required<br><\/li>\n\n\n\n<li>You don\u2019t know the size of the dataset in advance<br><\/li>\n\n\n\n<li>You\u2019re building data structures like stacks or queues<br><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How to Implement Linked List in Python<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s a full example of a simple singly linked list:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">python<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CopyEdit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">class Node:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;def __init__(self, data):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.data = data<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.next = None<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is how each node in a simple singly linked list looks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">self.data = data<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">self.next = None<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">self.head = None<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">class LinkedList:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">def <strong>init<\/strong>(self):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">self.head = None<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">def insert(self, data):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">new_node = Node(data)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">new_node.next = self.head<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">self.head = new_node<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">def print_list(self):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">current = self.head<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">while current:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">print(current.data)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">current = current.next<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"># Usage<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ll = LinkedList()<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ll.insert(10)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ll.insert(20)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ll.print_list()&nbsp; # Output: 20 -&gt; 10<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This example shows the <strong>best way to learn linked list<\/strong> \u2014 by coding and practicing each operation step-by-step.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Real-Life Use Cases of Linked List<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Now, let\u2019s explore <strong>real-world applications of linked list<\/strong> across industries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>In Software Development<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Implementing dynamic memory structures<\/strong> like stacks, queues, hash tables<br><\/li>\n\n\n\n<li><strong>Undo\/redo functionality<\/strong> in text editors (Doubly Linked List)<br><\/li>\n\n\n\n<li><strong>Browser history navigation<\/strong> (Back and Forward buttons)<br><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>In Data Science<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sparse matrices<\/strong> use linked lists for efficient memory usage<br><\/li>\n\n\n\n<li><strong>Graphs and adjacency lists<\/strong> often use linked list representations<br><\/li>\n\n\n\n<li><strong>Log streaming<\/strong> and <strong>data preprocessing pipelines<\/strong><strong><br><\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>In Operating Systems<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Memory management<\/strong> and <strong>CPU scheduling<\/strong><strong><br><\/strong><\/li>\n\n\n\n<li><strong>Linked list of processes\/threads<\/strong><strong><br><\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>In Non-Tech Applications<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Playlist organization<\/strong> in music apps<br><\/li>\n\n\n\n<li><strong>Navigation systems<\/strong> (Linked nodes represent checkpoints)<br><\/li>\n\n\n\n<li><strong>Ticket reservation systems<\/strong> where customer entries are queued<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These show the wide scope of <strong>real-life use cases of linked list<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Is Linked List Important for Coding Interviews?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Absolutely!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many <strong>linked list data structure interview questions<\/strong> are asked by top tech companies. Some examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Detect cycle in a linked list<br><\/li>\n\n\n\n<li>Reverse a linked list<br><\/li>\n\n\n\n<li>Merge two sorted linked lists<br><\/li>\n\n\n\n<li>Remove N-th node from end<br><\/li>\n\n\n\n<li>Find the middle node<br><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Linked List Questions for Beginners<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Start with:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Insert at beginning\/end<br><\/li>\n\n\n\n<li>Delete a node<br><\/li>\n\n\n\n<li>Traverse and print list<br><\/li>\n\n\n\n<li>Search for an element<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Once you&#8217;re comfortable, move to advanced problems like <strong>singly vs doubly linked list operations<\/strong>, circular lists, and recursion-based manipulations.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why Learn Linked Lists?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here\u2019s why you must master this concept:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It teaches pointer manipulation and memory management<br><\/li>\n\n\n\n<li>It\u2019s used in many real-world systems<br><\/li>\n\n\n\n<li>It&#8217;s tested in almost every coding interview<br><\/li>\n\n\n\n<li>It helps build complex structures like stacks, queues, graphs, and more<br><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step-by-Step Guide to Linked List<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Start with theory<\/strong>: Understand what a node and pointer is<br><\/li>\n\n\n\n<li><strong>Learn to implement<\/strong>: Use Python or C++ to build basic operations<br><\/li>\n\n\n\n<li><strong>Visualize it<\/strong>: Use diagrams or animation tools to see traversal<br><\/li>\n\n\n\n<li><strong>Practice<\/strong>: Solve beginner to advanced problems<br><\/li>\n\n\n\n<li><strong>Apply<\/strong>: Use linked lists in projects like building your own queue<br><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">That\u2019s the <strong>best way to learn linked list<\/strong> \u2014 by blending theory with hands-on coding.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>linked list data structure explained<\/strong> here is a core part of every software developer\u2019s toolkit. Whether you&#8217;re a student, a coding beginner, or a professional, understanding this structure helps in interviews, projects, and real-world problem solving.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At <strong><a href=\"https:\/\/www.sharpener.tech\/\">Sharpener Tech<\/a><\/strong>, we help learners master data structures like linked lists with a practical, job-focused approach. Our <strong>Pay After Placement programs<\/strong> in <a href=\"https:\/\/www.sharpener.tech\/courses\/\"><strong>Full Stack Development<\/strong> and <strong>Data Science &amp; Analytics<\/strong><\/a> ensure you learn deeply \u2014 and only pay when you land a high-paying job.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So, get started today, and take the first step toward mastering <strong>data structures and algorithms<\/strong>!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mastering a programming language involves understanding the concept of a linked list as it forms the basis of a lot of algorithms in computer science. The data structure shows up&hellip;<\/p>\n","protected":false},"author":8,"featured_media":1442,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1441","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-science"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Linked List Data Structure: Types, Operations &amp; Real-World Uses [2025]<\/title>\n<meta name=\"description\" content=\"Learn the fundamentals of the Linked List data structure, including types (singly, doubly, circular), operations, and real-world applications. 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