{"id":503,"date":"2021-07-13T17:09:42","date_gmt":"2021-07-13T17:09:42","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=503"},"modified":"2021-09-13T06:43:50","modified_gmt":"2021-09-13T06:43:50","slug":"difference-between-array-and-linked-list","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/data-structure\/difference-between-array-and-linked-list\/","title":{"rendered":"Difference between Array and Linked List ?"},"content":{"rendered":"<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"difference-between-array-and-linked-list\" class=\"color-pink\">Difference between Array and Linked List ?<\/h2>\n<\/div>\n<\/div>\n<div class=\"table-responsive\">\n<table class=\"table-bordered table-striped table table-responsive\">\n<tbody>\n<tr>\n<th>Array<\/th>\n<th>Linked List<\/th>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Arrays are index-based data structure where each element<br \/>\nassociated with an index.<\/td>\n<td class=\"text-leftalign\"><a href=\"https:\/\/www.wikitechy.com\/technology\/quicksort-doubly-linked-list-3\/\" target=\"_blank\" rel=\"noopener\">Linked list<\/a>\u00a0relies on references where each node consists of the data and the references to the previous and next element (in case of a doubly linked list) or the next element (in case of a singly linked list).<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Array provides fast and random access.<\/td>\n<td class=\"text-leftalign\">Elements can\u2019t be accessed randomly but can be<br \/>\naccessed only sequentially and accessing element takes 0(n) time.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Elements are stored in consecutive manner in memory.<\/td>\n<td class=\"text-leftalign\">Elements can be stored at any available place as<br \/>\naddress of node is stored in previous node.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Insertion & deletion takes more time in array as elements<br \/>\nare stored in consecutive memory locations.<\/td>\n<td class=\"text-leftalign\">Insertion & deletion are fast & easy in linked list<br \/>\nas only value of pointer is needed to change.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">In array, memory is allocated at compile time<br \/>\ni.e. Static Memory Allocation.<\/td>\n<td class=\"text-leftalign\">Memory is allocated at run time<br \/>\ni.e.\u00a0Dynamic Memory\u00a0Allocation.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Array can be single dimensional, two dimensional<br \/>\nor multidimensional.<\/td>\n<td class=\"text-leftalign\">Linked list can be singly, doubly or circular<br \/>\nlinked list.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Each element is independent, no connection with previous<br \/>\nelement or with its location.<\/td>\n<td class=\"text-leftalign\">Location or address of elements is stored in the<br \/>\nlink part of previous element\/node.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"text-center row\">\n<div class=\"col-sm-12\">\n<div id=\"bsa-zone_1590522538159-8_123456\"><\/div>\n<\/div>\n<\/div>\n<div class=\"ImageContent\">\n<div class=\"hddn\"><img decoding=\"async\" class=\"img-responsive center-block aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/data-structure\/difference-between-array-and-linked-list.jpg\" alt=\"Difference between Array and Linked List\" \/><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer : Arrays are index-based data structure&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3028],"tags":[195,3525,3545,971,491,3546,3547,3553,3550,3539,3536,3543,3552,3548,3544,3538,3540,221,368,203,199,214,198,363,3057,205,3535,3523,3534,3529,3531,3533,3532,3530,3524,3537,3541,3528,222,484,3054,196,212,15933,3542,3549,3551,3527,207,366,204,206,972,200,3055,197,3526,968,3056,285,969],"class_list":["post-503","post","type-post","status-publish","format-standard","hentry","category-data-structure","tag-accenture-interview-questions-and-answers","tag-advantages-and-disadvantages-of-linked-list-over-array","tag-advantages-of-linked-list-over-array","tag-altimetrik-india-pvt-ltd-interview-questions-and-answers","tag-applied-materials-interview-questions-and-answers","tag-array-and-linked-list","tag-array-linked-list","tag-array-of-linked-list","tag-array-of-linked-lists-java","tag-array-vs-linked-list","tag-array-vs-list-c","tag-arraylist-and-linked-list","tag-arraylist-and-linkedlist","tag-arraylist-and-linkedlist-in-java","tag-arraylist-linkedlist","tag-arraylist-vs-linkedlist","tag-arraylist-vs-linkedlist-in-java","tag-bharti-airtel-interview-questions-and-answers","tag-bmc-software-interview-questions-and-answers","tag-capgemini-interview-questions-and-answers","tag-casting-networks-india-pvt-limited-interview-questions-and-answers","tag-cgi-group-inc-interview-questions-and-answers","tag-chetu-interview-questions-and-answers","tag-ciena-corporation-interview-questions-and-answers","tag-collabera-te-interview-questions-and-answers","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-difference-between-array-and-arraylist","tag-difference-between-array-and-linked-list","tag-difference-between-array-and-linked-list-in-java","tag-difference-between-array-and-list","tag-difference-between-array-and-list-c","tag-difference-between-array-and-list-in-c","tag-difference-between-array-and-list-in-java","tag-difference-between-array-and-list-python","tag-difference-between-arraylist-and-linked-list","tag-difference-between-arraylist-and-linkedlist","tag-difference-between-arraylist-and-linkedlist-in-java","tag-difference-between-singly-linked-list-and-doubly-linked-list","tag-flipkart-interview-questions-and-answers","tag-genpact-interview-questions-and-answers","tag-globallogic-india-pvt-ltd-interview-questions-and-answers","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-infozech-interview-questions-and-answers","tag-java-linkedlist-vs-arraylist","tag-linked-list-array","tag-linked-list-using-array","tag-linked-list-vs-array-performance","tag-mphasis-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","tag-oracle-corporation-interview-questions-and-answers","tag-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-sapient-consulting-pvt-ltd-interview-questions-and-answers","tag-tech-mahindra-interview-questions-and-answers","tag-tracxn-technologies-pvt-ltd-interview-questions-and-answers","tag-unitedhealth-group-interview-questions-and-answers","tag-what-is-the-difference-between-array-and-pointer","tag-wipro-infotech-interview-questions-and-answers","tag-wm-global-technology-services-india-pvt-ltd-limited-wmgts-interview-questions-and-answers","tag-xoriant-solutions-pvt-ltd-interview-questions-and-answers","tag-yodlee-infotech-pvt-ltd-interview-questions-and-answers"],"yoast_head":"<!-- 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