{"id":11204,"date":"2022-12-22T09:45:42","date_gmt":"2022-12-22T09:45:42","guid":{"rendered":"https:\/\/www.prepbytes.com\/blog\/?p=11204"},"modified":"2023-07-01T07:23:53","modified_gmt":"2023-07-01T07:23:53","slug":"linked-list-program-in-java","status":"publish","type":"post","link":"https:\/\/prepbytes.com\/blog\/linked-list-program-in-java\/","title":{"rendered":"Linked List Programs in Java"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/prepbytes-misc-images.s3.ap-south-1.amazonaws.com\/assets\/1671619796582-linked%20list%20program%20in%20java.jpg\" alt=\"\" \/><\/p>\n<p>The LinkedList class of the Java collections framework provides the functionality of the linked list data structure (doubly linked list).<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/prepbytes-misc-images.s3.ap-south-1.amazonaws.com\/assets\/1671619796683-linked%20list%20program%20in%20java1.png\" alt=\"\" \/><\/p>\n<p>Each element in a linked list is known as a node. It consists of 3 fields:<\/p>\n<p><strong>Prev<\/strong> &#8211; stores an address of the previous element in the list. It is null for the first element<br \/>\n<strong>Next<\/strong> &#8211; stores an address of the next element in the list. It is null for the last element<br \/>\n<strong>Data<\/strong> &#8211; stores the actual data<\/p>\n<h2>Creating a Java LinkedList<\/h2>\n<p>Here is how we can create linked lists in Java:<\/p>\n<pre><code>LinkedList<Type> linkedList = new LinkedList<>();\nHere, Type indicates the type of a linked list. For example,\n\n\/\/ create Integer type linked list\nLinkedList<Integer> linkedList = new LinkedList<>();\n\n\/\/ create String type linked list\nLinkedList<String> linkedList = new LinkedList<>();<\/code><\/pre>\n<h3>Example: Create Linked List Programs in Java<\/h3>\n\t\t\t\t\t\t<style>\r\n\t\t\t\t\r\n\t\t\t\t\t#tab_container_11198 {\r\n\toverflow:hidden;\r\n\tdisplay:block;\r\n\twidth:100%;\r\n\tborder:0px solid #ddd;\r\n\tmargin-bottom:30px;\r\n\t}\r\n\r\n#tab_container_11198 .tab-content{\r\n\tpadding:20px;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n\tmargin-top: 0px;\r\n\tbackground-color:#ffffff !important;\r\n\tcolor: #000000 !important;\r\n\tfont-size:16px !important;\r\n\tfont-family: Open Sans !important;\r\n\t\r\n\t\tborder: 1px solid #e6e6e6 !important;\r\n\t}\r\n#tab_container_11198 .wpsm_nav-tabs {\r\n    border-bottom: 0px solid #ddd;\r\n}\r\n#tab_container_11198 .wpsm_nav-tabs > li.active > a, #tab_container_11198 .wpsm_nav-tabs > li.active > a:hover, #tab_container_11198 .wpsm_nav-tabs > li.active > a:focus {\r\n\tcolor: #000000 !important;\r\n\tcursor: default;\r\n\tbackground-color: #ffffff !important;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n}\r\n\r\n#tab_container_11198 .wpsm_nav-tabs > li > a {\r\n    margin-right: 0px !important; \r\n    line-height: 1.42857143 !important;\r\n    border: 1px solid #d5d5d5 !important;\r\n    border-radius: 0px 0px 0 0 !important; \r\n\tbackground-color: #e8e8e8 !important;\r\n\tcolor: #000000 !important;\r\n\tpadding: 15px 18px 15px 18px !important;\r\n\ttext-decoration: none !important;\r\n\tfont-size: 14px !important;\r\n\ttext-align:center !important;\r\n\tfont-family: Open Sans !important;\r\n}\r\n#tab_container_11198 .wpsm_nav-tabs > li > a:focus {\r\noutline: 0px !important;\r\n}\r\n\r\n#tab_container_11198 .wpsm_nav-tabs > li > a:before {\r\n\tdisplay:none !important;\r\n}\r\n#tab_container_11198 .wpsm_nav-tabs > li > a:after {\r\n\tdisplay:none !important ;\r\n}\r\n#tab_container_11198 .wpsm_nav-tabs > li{\r\npadding:0px !important ;\r\nmargin:0px;\r\n}\r\n\r\n#tab_container_11198 .wpsm_nav-tabs > li > a:hover , #tab_container_11198 .wpsm_nav-tabs > li > a:focus {\r\n    color: #000000 !important;\r\n    background-color: #e8e8e8 !important;\r\n\tborder: 1px solid #d5d5d5 !important;\r\n\t\r\n}\r\n#tab_container_11198 .wpsm_nav-tabs > li > a .fa{\r\n\r\nmargin-right:5px !important;\r\n\r\nmargin-left:5px !important;\r\n\r\n\r\n}\r\n\r\n\t\t#tab_container_11198 .wpsm_nav-tabs a{\r\n\t\t\tbackground-image: none;\r\n\t\t\tbackground-position: 0 0;\r\n\t\t\tbackground-repeat: repeat-x;\r\n\t\t}\r\n\t\t\t\r\n\r\n\r\n#tab_container_11198 .wpsm_nav-tabs > li {\r\n    float: left;\r\n    margin-bottom: -1px !important;\r\n\tmargin-right:0px !important; \r\n}\r\n\r\n\r\n#tab_container_11198 .tab-content{\r\noverflow:hidden !important;\r\n}\r\n\r\n\r\n@media (min-width: 769px) {\r\n\r\n\t#tab_container_11198 .wpsm_nav-tabs > li{\r\n\t\tfloat:left !important ;\r\n\t\t\t\tmargin-right:-1px !important;\r\n\t\t\t\t\t}\r\n\t#tab_container_11198 .wpsm_nav-tabs{\r\n\t\tfloat:none !important;\r\n\t\tmargin:0px !important;\r\n\t}\r\n\r\n\t#tab_container_11198 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11198 .wpsm_nav{\r\n\t\t\t}\r\n\r\n}\r\n\r\n\r\n\r\n@media (max-width: 768px) {\r\n\t#tab_container_11198 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11198 .wpsm_nav{\r\n\t\t\t}\r\n}\r\n\r\n\r\n\t.wpsm_nav-tabs li:before{\r\n\t\tdisplay:none !important;\r\n\t}\r\n\r\n\t@media (max-width: 768px) {\r\n\t\t\t\t\r\n\t\t\t\t.wpsm_nav-tabs{\r\n\t\t\tmargin-left:0px !important;\r\n\t\t\tmargin-right:0px !important; \r\n\t\t\t\r\n\t\t}\r\n\t\t\t\t#tab_container_11198 .wpsm_nav-tabs > li{\r\n\t\t\tfloat:none !important;\r\n\t\t}\r\n\t\t\t\r\n\t}\t\t\t\t<\/style>\r\n\t\t\t\t<div id=\"tab_container_11198\" >\r\n\t \r\n\t\t\t\t\t<ul class=\"wpsm_nav wpsm_nav-tabs\" role=\"tablist\" id=\"myTab_11198\">\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  class=\"active\"  onclick=\"do_resize()\">\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_11198_1\" aria-controls=\"tabs_desc_11198_1\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"fa fa-code\"><\/i> \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t<span>Java<\/span>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\t\t\t\t <\/ul>\r\n\r\n\t\t\t\t\t  <!-- Tab panes -->\r\n\t\t\t\t\t  <div class=\"tab-content\" id=\"tab-content_11198\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane  in active \" id=\"tabs_desc_11198_1\">\r\n\t\t\t\t\t\t\t\t<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"java\">import java.util.LinkedList;\r\n\r\nclass Main {\r\n  public static void main(String[] args){\r\n\r\n    \/\/ create linkedlist\r\n    LinkedList&lt;String&gt; animals = new LinkedList&lt;&gt;();\r\n\r\n    \/\/ Add elements to LinkedList\r\n    animals.add(\"Dog\");\r\n    animals.add(\"Cat\");\r\n    animals.add(\"Cow\");\r\n    System.out.println(\"LinkedList: \" + animals);\r\n  }\r\n}<\/pre>\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t <\/div>\r\n\t\t\t\t\t \r\n\t\t\t\t <\/div>\r\n <script>\r\n\t\tjQuery(function () {\r\n\t\t\tjQuery('#myTab_11198 a:first').tab('show')\r\n\t\t});\r\n\t\t\r\n\t\t\t\tjQuery(function(){\r\n\t\t\tvar b=\"fadeIn\";\r\n\t\t\tvar c;\r\n\t\t\tvar a;\r\n\t\t\td(jQuery(\"#myTab_11198 a\"),jQuery(\"#tab-content_11198\"));function d(e,f,g){\r\n\t\t\t\te.click(function(i){\r\n\t\t\t\t\ti.preventDefault();\r\n\t\t\t\t\tjQuery(this).tab(\"show\");\r\n\t\t\t\t\tvar h=jQuery(this).data(\"easein\");\r\n\t\t\t\t\tif(c){c.removeClass(a);}\r\n\t\t\t\t\tif(h){f.find(\"div.active\").addClass(\"animated \"+h);a=h;}\r\n\t\t\t\t\telse{if(g){f.find(\"div.active\").addClass(\"animated \"+g);a=g;}else{f.find(\"div.active\").addClass(\"animated \"+b);a=b;}}c=f.find(\"div.active\");\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\t\t\r\n\r\n\t\tfunction do_resize(){\r\n\r\n\t\t\tvar width=jQuery( '.tab-content .tab-pane iframe' ).width();\r\n\t\t\tvar height=jQuery( '.tab-content .tab-pane iframe' ).height();\r\n\r\n\t\t\tvar toggleSize = true;\r\n\t\t\tjQuery('iframe').animate({\r\n\t\t\t    width: toggleSize ? width : 640,\r\n\t\t\t    height: toggleSize ? height : 360\r\n\t\t\t  }, 250);\r\n\r\n\t\t\t  toggleSize = !toggleSize;\r\n\t\t}\r\n\r\n\r\n\t<\/script>\r\n\t\t\t\t\r\n\t\t\t\n<p><strong>Output<\/strong><\/p>\n<pre><code>LinkedList: [Dog, Cat, Cow]<\/code><\/pre>\n<p>In the above example, we have created a LinkedList named animals.<\/p>\n<p>Here, we have used the add() method to add elements to the LinkedList. We will learn more about the add() method later in this tutorial.<\/p>\n<h2>Working of LinkedList in Java<\/h2>\n<p>Elements in linked lists are not stored in sequence. Instead, they are scattered and connected through links (Prev and Next).<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/prepbytes-misc-images.s3.ap-south-1.amazonaws.com\/assets\/1671619796692-linked%20list%20program%20in%20java2.png\" alt=\"\" \/><\/p>\n<p><strong>Here we have 3 elements in a linked list.<\/strong><\/p>\n<p><strong>Dog<\/strong> &#8211; it is the first element that holds null as previous address and the address of Cat as the next address<br \/>\n<strong>Cat<\/strong> &#8211; it is the second element that holds an address of Dog as the previous address and the address of Cow as the next address<br \/>\n<strong>Cow<\/strong> &#8211; it is the last element that holds the address of Cat as the previous address and null as the next element<\/p>\n<h2>Methods of Java LinkedList<\/h2>\n<p>LinkedList provides various methods that allow us to perform different operations in linked lists. We will look at four commonly used LinkedList Operators in this tutorial:<\/p>\n<ul>\n<li>Add elements<\/li>\n<li>Access elements<\/li>\n<li>Change elements<\/li>\n<li>Remove elements<\/li>\n<\/ul>\n<h3>Add elements to a LinkedList<\/h3>\n<p>We can use the add() method to add an element (node) at the end of the LinkedList. For example,<\/p>\n\t\t\t\t\t\t<style>\r\n\t\t\t\t\r\n\t\t\t\t\t#tab_container_11199 {\r\n\toverflow:hidden;\r\n\tdisplay:block;\r\n\twidth:100%;\r\n\tborder:0px solid #ddd;\r\n\tmargin-bottom:30px;\r\n\t}\r\n\r\n#tab_container_11199 .tab-content{\r\n\tpadding:20px;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n\tmargin-top: 0px;\r\n\tbackground-color:#ffffff !important;\r\n\tcolor: #000000 !important;\r\n\tfont-size:16px !important;\r\n\tfont-family: Open Sans !important;\r\n\t\r\n\t\tborder: 1px solid #e6e6e6 !important;\r\n\t}\r\n#tab_container_11199 .wpsm_nav-tabs {\r\n    border-bottom: 0px solid #ddd;\r\n}\r\n#tab_container_11199 .wpsm_nav-tabs > li.active > a, #tab_container_11199 .wpsm_nav-tabs > li.active > a:hover, #tab_container_11199 .wpsm_nav-tabs > li.active > a:focus {\r\n\tcolor: #000000 !important;\r\n\tcursor: default;\r\n\tbackground-color: #ffffff !important;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n}\r\n\r\n#tab_container_11199 .wpsm_nav-tabs > li > a {\r\n    margin-right: 0px !important; \r\n    line-height: 1.42857143 !important;\r\n    border: 1px solid #d5d5d5 !important;\r\n    border-radius: 0px 0px 0 0 !important; \r\n\tbackground-color: #e8e8e8 !important;\r\n\tcolor: #000000 !important;\r\n\tpadding: 15px 18px 15px 18px !important;\r\n\ttext-decoration: none !important;\r\n\tfont-size: 14px !important;\r\n\ttext-align:center !important;\r\n\tfont-family: Open Sans !important;\r\n}\r\n#tab_container_11199 .wpsm_nav-tabs > li > a:focus {\r\noutline: 0px !important;\r\n}\r\n\r\n#tab_container_11199 .wpsm_nav-tabs > li > a:before {\r\n\tdisplay:none !important;\r\n}\r\n#tab_container_11199 .wpsm_nav-tabs > li > a:after {\r\n\tdisplay:none !important ;\r\n}\r\n#tab_container_11199 .wpsm_nav-tabs > li{\r\npadding:0px !important ;\r\nmargin:0px;\r\n}\r\n\r\n#tab_container_11199 .wpsm_nav-tabs > li > a:hover , #tab_container_11199 .wpsm_nav-tabs > li > a:focus {\r\n    color: #000000 !important;\r\n    background-color: #e8e8e8 !important;\r\n\tborder: 1px solid #d5d5d5 !important;\r\n\t\r\n}\r\n#tab_container_11199 .wpsm_nav-tabs > li > a .fa{\r\n\r\nmargin-right:5px !important;\r\n\r\nmargin-left:5px !important;\r\n\r\n\r\n}\r\n\r\n\t\t#tab_container_11199 .wpsm_nav-tabs a{\r\n\t\t\tbackground-image: none;\r\n\t\t\tbackground-position: 0 0;\r\n\t\t\tbackground-repeat: repeat-x;\r\n\t\t}\r\n\t\t\t\r\n\r\n\r\n#tab_container_11199 .wpsm_nav-tabs > li {\r\n    float: left;\r\n    margin-bottom: -1px !important;\r\n\tmargin-right:0px !important; \r\n}\r\n\r\n\r\n#tab_container_11199 .tab-content{\r\noverflow:hidden !important;\r\n}\r\n\r\n\r\n@media (min-width: 769px) {\r\n\r\n\t#tab_container_11199 .wpsm_nav-tabs > li{\r\n\t\tfloat:left !important ;\r\n\t\t\t\tmargin-right:-1px !important;\r\n\t\t\t\t\t}\r\n\t#tab_container_11199 .wpsm_nav-tabs{\r\n\t\tfloat:none !important;\r\n\t\tmargin:0px !important;\r\n\t}\r\n\r\n\t#tab_container_11199 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11199 .wpsm_nav{\r\n\t\t\t}\r\n\r\n}\r\n\r\n\r\n\r\n@media (max-width: 768px) {\r\n\t#tab_container_11199 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11199 .wpsm_nav{\r\n\t\t\t}\r\n}\r\n\r\n\r\n\t.wpsm_nav-tabs li:before{\r\n\t\tdisplay:none !important;\r\n\t}\r\n\r\n\t@media (max-width: 768px) {\r\n\t\t\t\t\r\n\t\t\t\t.wpsm_nav-tabs{\r\n\t\t\tmargin-left:0px !important;\r\n\t\t\tmargin-right:0px !important; \r\n\t\t\t\r\n\t\t}\r\n\t\t\t\t#tab_container_11199 .wpsm_nav-tabs > li{\r\n\t\t\tfloat:none !important;\r\n\t\t}\r\n\t\t\t\r\n\t}\t\t\t\t<\/style>\r\n\t\t\t\t<div id=\"tab_container_11199\" >\r\n\t \r\n\t\t\t\t\t<ul class=\"wpsm_nav wpsm_nav-tabs\" role=\"tablist\" id=\"myTab_11199\">\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  class=\"active\"  onclick=\"do_resize()\">\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_11199_1\" aria-controls=\"tabs_desc_11199_1\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"fa fa-code\"><\/i> \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t<span>Java<\/span>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\t\t\t\t <\/ul>\r\n\r\n\t\t\t\t\t  <!-- Tab panes -->\r\n\t\t\t\t\t  <div class=\"tab-content\" id=\"tab-content_11199\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane  in active \" id=\"tabs_desc_11199_1\">\r\n\t\t\t\t\t\t\t\t<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"java\">import java.util.LinkedList;\r\n\r\nclass Main {\r\n  public static void main(String[] args){\r\n    \/\/ create linkedlist\r\n    LinkedList&lt;String&gt; animals = new LinkedList&lt;&gt;();\r\n\r\n    \/\/ add() method without the index parameter\r\n    animals.add(\"Dog\");\r\n    animals.add(\"Cat\");\r\n    animals.add(\"Cow\");\r\n    System.out.println(\"LinkedList: \" + animals);\r\n\r\n    \/\/ add() method with the index parameter\r\n    animals.add(1, \"Horse\");\r\n    System.out.println(\"Updated LinkedList: \" + animals);\r\n  }\r\n}<\/pre>\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t <\/div>\r\n\t\t\t\t\t \r\n\t\t\t\t <\/div>\r\n <script>\r\n\t\tjQuery(function () {\r\n\t\t\tjQuery('#myTab_11199 a:first').tab('show')\r\n\t\t});\r\n\t\t\r\n\t\t\t\tjQuery(function(){\r\n\t\t\tvar b=\"fadeIn\";\r\n\t\t\tvar c;\r\n\t\t\tvar a;\r\n\t\t\td(jQuery(\"#myTab_11199 a\"),jQuery(\"#tab-content_11199\"));function d(e,f,g){\r\n\t\t\t\te.click(function(i){\r\n\t\t\t\t\ti.preventDefault();\r\n\t\t\t\t\tjQuery(this).tab(\"show\");\r\n\t\t\t\t\tvar h=jQuery(this).data(\"easein\");\r\n\t\t\t\t\tif(c){c.removeClass(a);}\r\n\t\t\t\t\tif(h){f.find(\"div.active\").addClass(\"animated \"+h);a=h;}\r\n\t\t\t\t\telse{if(g){f.find(\"div.active\").addClass(\"animated \"+g);a=g;}else{f.find(\"div.active\").addClass(\"animated \"+b);a=b;}}c=f.find(\"div.active\");\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\t\t\r\n\r\n\t\tfunction do_resize(){\r\n\r\n\t\t\tvar width=jQuery( '.tab-content .tab-pane iframe' ).width();\r\n\t\t\tvar height=jQuery( '.tab-content .tab-pane iframe' ).height();\r\n\r\n\t\t\tvar toggleSize = true;\r\n\t\t\tjQuery('iframe').animate({\r\n\t\t\t    width: toggleSize ? width : 640,\r\n\t\t\t    height: toggleSize ? height : 360\r\n\t\t\t  }, 250);\r\n\r\n\t\t\t  toggleSize = !toggleSize;\r\n\t\t}\r\n\r\n\r\n\t<\/script>\r\n\t\t\t\t\r\n\t\t\t\n<p><strong>Output<\/strong><\/p>\n<pre><code>LinkedList: [Dog, Cat, Cow]\nUpdated LinkedList: [Dog, Horse, Cat, Cow]<\/code><\/pre>\n<p>In the above example, we have created a LinkedList named animals. Here, we have used the add() method to add elements to animals.<\/p>\n<p>Notice the statement,<\/p>\n<p>animals.add(1, &quot;Horse&quot;);<br \/>\nHere, we have used the index number parameter. It is an optional parameter that specifies the position where the new element is added.<\/p>\n<h3>Access LinkedList elements<\/h3>\n<p>The get() method of the LinkedList class is used to access an element from the LinkedList. For example,<\/p>\n\t\t\t\t\t\t<style>\r\n\t\t\t\t\r\n\t\t\t\t\t#tab_container_11200 {\r\n\toverflow:hidden;\r\n\tdisplay:block;\r\n\twidth:100%;\r\n\tborder:0px solid #ddd;\r\n\tmargin-bottom:30px;\r\n\t}\r\n\r\n#tab_container_11200 .tab-content{\r\n\tpadding:20px;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n\tmargin-top: 0px;\r\n\tbackground-color:#ffffff !important;\r\n\tcolor: #000000 !important;\r\n\tfont-size:16px !important;\r\n\tfont-family: Open Sans !important;\r\n\t\r\n\t\tborder: 1px solid #e6e6e6 !important;\r\n\t}\r\n#tab_container_11200 .wpsm_nav-tabs {\r\n    border-bottom: 0px solid #ddd;\r\n}\r\n#tab_container_11200 .wpsm_nav-tabs > li.active > a, #tab_container_11200 .wpsm_nav-tabs > li.active > a:hover, #tab_container_11200 .wpsm_nav-tabs > li.active > a:focus {\r\n\tcolor: #000000 !important;\r\n\tcursor: default;\r\n\tbackground-color: #ffffff !important;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n}\r\n\r\n#tab_container_11200 .wpsm_nav-tabs > li > a {\r\n    margin-right: 0px !important; \r\n    line-height: 1.42857143 !important;\r\n    border: 1px solid #d5d5d5 !important;\r\n    border-radius: 0px 0px 0 0 !important; \r\n\tbackground-color: #e8e8e8 !important;\r\n\tcolor: #000000 !important;\r\n\tpadding: 15px 18px 15px 18px !important;\r\n\ttext-decoration: none !important;\r\n\tfont-size: 14px !important;\r\n\ttext-align:center !important;\r\n\tfont-family: Open Sans !important;\r\n}\r\n#tab_container_11200 .wpsm_nav-tabs > li > a:focus {\r\noutline: 0px !important;\r\n}\r\n\r\n#tab_container_11200 .wpsm_nav-tabs > li > a:before {\r\n\tdisplay:none !important;\r\n}\r\n#tab_container_11200 .wpsm_nav-tabs > li > a:after {\r\n\tdisplay:none !important ;\r\n}\r\n#tab_container_11200 .wpsm_nav-tabs > li{\r\npadding:0px !important ;\r\nmargin:0px;\r\n}\r\n\r\n#tab_container_11200 .wpsm_nav-tabs > li > a:hover , #tab_container_11200 .wpsm_nav-tabs > li > a:focus {\r\n    color: #000000 !important;\r\n    background-color: #e8e8e8 !important;\r\n\tborder: 1px solid #d5d5d5 !important;\r\n\t\r\n}\r\n#tab_container_11200 .wpsm_nav-tabs > li > a .fa{\r\n\r\nmargin-right:5px !important;\r\n\r\nmargin-left:5px !important;\r\n\r\n\r\n}\r\n\r\n\t\t#tab_container_11200 .wpsm_nav-tabs a{\r\n\t\t\tbackground-image: none;\r\n\t\t\tbackground-position: 0 0;\r\n\t\t\tbackground-repeat: repeat-x;\r\n\t\t}\r\n\t\t\t\r\n\r\n\r\n#tab_container_11200 .wpsm_nav-tabs > li {\r\n    float: left;\r\n    margin-bottom: -1px !important;\r\n\tmargin-right:0px !important; \r\n}\r\n\r\n\r\n#tab_container_11200 .tab-content{\r\noverflow:hidden !important;\r\n}\r\n\r\n\r\n@media (min-width: 769px) {\r\n\r\n\t#tab_container_11200 .wpsm_nav-tabs > li{\r\n\t\tfloat:left !important ;\r\n\t\t\t\tmargin-right:-1px !important;\r\n\t\t\t\t\t}\r\n\t#tab_container_11200 .wpsm_nav-tabs{\r\n\t\tfloat:none !important;\r\n\t\tmargin:0px !important;\r\n\t}\r\n\r\n\t#tab_container_11200 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11200 .wpsm_nav{\r\n\t\t\t}\r\n\r\n}\r\n\r\n\r\n\r\n@media (max-width: 768px) {\r\n\t#tab_container_11200 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11200 .wpsm_nav{\r\n\t\t\t}\r\n}\r\n\r\n\r\n\t.wpsm_nav-tabs li:before{\r\n\t\tdisplay:none !important;\r\n\t}\r\n\r\n\t@media (max-width: 768px) {\r\n\t\t\t\t\r\n\t\t\t\t.wpsm_nav-tabs{\r\n\t\t\tmargin-left:0px !important;\r\n\t\t\tmargin-right:0px !important; \r\n\t\t\t\r\n\t\t}\r\n\t\t\t\t#tab_container_11200 .wpsm_nav-tabs > li{\r\n\t\t\tfloat:none !important;\r\n\t\t}\r\n\t\t\t\r\n\t}\t\t\t\t<\/style>\r\n\t\t\t\t<div id=\"tab_container_11200\" >\r\n\t \r\n\t\t\t\t\t<ul class=\"wpsm_nav wpsm_nav-tabs\" role=\"tablist\" id=\"myTab_11200\">\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  class=\"active\"  onclick=\"do_resize()\">\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_11200_1\" aria-controls=\"tabs_desc_11200_1\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"fa fa-code\"><\/i> \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t<span>Java<\/span>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\t\t\t\t <\/ul>\r\n\r\n\t\t\t\t\t  <!-- Tab panes -->\r\n\t\t\t\t\t  <div class=\"tab-content\" id=\"tab-content_11200\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane  in active \" id=\"tabs_desc_11200_1\">\r\n\t\t\t\t\t\t\t\t<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"java\">import java.util.LinkedList;\r\n\r\nclass Main {\r\n  public static void main(String[] args) {\r\n    LinkedList&lt;String&gt; languages = new LinkedList&lt;&gt;();\r\n\r\n    \/\/ add elements in the linked list\r\n    languages.add(\"Python\");\r\n    languages.add(\"Java\");\r\n    languages.add(\"JavaScript\");\r\n    System.out.println(\"LinkedList: \" + languages);\r\n\r\n    \/\/ get the element from the linked list\r\n    String str = languages.get(1);\r\n    System.out.print(\"Element at index 1: \" + str);\r\n  }\r\n}<\/pre>\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t <\/div>\r\n\t\t\t\t\t \r\n\t\t\t\t <\/div>\r\n <script>\r\n\t\tjQuery(function () {\r\n\t\t\tjQuery('#myTab_11200 a:first').tab('show')\r\n\t\t});\r\n\t\t\r\n\t\t\t\tjQuery(function(){\r\n\t\t\tvar b=\"fadeIn\";\r\n\t\t\tvar c;\r\n\t\t\tvar a;\r\n\t\t\td(jQuery(\"#myTab_11200 a\"),jQuery(\"#tab-content_11200\"));function d(e,f,g){\r\n\t\t\t\te.click(function(i){\r\n\t\t\t\t\ti.preventDefault();\r\n\t\t\t\t\tjQuery(this).tab(\"show\");\r\n\t\t\t\t\tvar h=jQuery(this).data(\"easein\");\r\n\t\t\t\t\tif(c){c.removeClass(a);}\r\n\t\t\t\t\tif(h){f.find(\"div.active\").addClass(\"animated \"+h);a=h;}\r\n\t\t\t\t\telse{if(g){f.find(\"div.active\").addClass(\"animated \"+g);a=g;}else{f.find(\"div.active\").addClass(\"animated \"+b);a=b;}}c=f.find(\"div.active\");\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\t\t\r\n\r\n\t\tfunction do_resize(){\r\n\r\n\t\t\tvar width=jQuery( '.tab-content .tab-pane iframe' ).width();\r\n\t\t\tvar height=jQuery( '.tab-content .tab-pane iframe' ).height();\r\n\r\n\t\t\tvar toggleSize = true;\r\n\t\t\tjQuery('iframe').animate({\r\n\t\t\t    width: toggleSize ? width : 640,\r\n\t\t\t    height: toggleSize ? height : 360\r\n\t\t\t  }, 250);\r\n\r\n\t\t\t  toggleSize = !toggleSize;\r\n\t\t}\r\n\r\n\r\n\t<\/script>\r\n\t\t\t\t\r\n\t\t\t\n<p><strong>Output<\/strong><\/p>\n<pre><code>LinkedList: [Python, Java, JavaScript]\nElement at index 1: Java<\/code><\/pre>\n<p>In the above example, we have used the get() method with parameter 1. Here, the method returns the element at index 1.<\/p>\n<p>We can also access elements of the LinkedList using the iterator() and the listIterator() method.<\/p>\n<h3>Change Elements of a LinkedList<\/h3>\n<p>The set() method of LinkedList class is used to change elements of the LinkedList. For example,<\/p>\n\t\t\t\t\t\t<style>\r\n\t\t\t\t\r\n\t\t\t\t\t#tab_container_11201 {\r\n\toverflow:hidden;\r\n\tdisplay:block;\r\n\twidth:100%;\r\n\tborder:0px solid #ddd;\r\n\tmargin-bottom:30px;\r\n\t}\r\n\r\n#tab_container_11201 .tab-content{\r\n\tpadding:20px;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n\tmargin-top: 0px;\r\n\tbackground-color:#ffffff !important;\r\n\tcolor: #000000 !important;\r\n\tfont-size:16px !important;\r\n\tfont-family: Open Sans !important;\r\n\t\r\n\t\tborder: 1px solid #e6e6e6 !important;\r\n\t}\r\n#tab_container_11201 .wpsm_nav-tabs {\r\n    border-bottom: 0px solid #ddd;\r\n}\r\n#tab_container_11201 .wpsm_nav-tabs > li.active > a, #tab_container_11201 .wpsm_nav-tabs > li.active > a:hover, #tab_container_11201 .wpsm_nav-tabs > li.active > a:focus {\r\n\tcolor: #000000 !important;\r\n\tcursor: default;\r\n\tbackground-color: #ffffff !important;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n}\r\n\r\n#tab_container_11201 .wpsm_nav-tabs > li > a {\r\n    margin-right: 0px !important; \r\n    line-height: 1.42857143 !important;\r\n    border: 1px solid #d5d5d5 !important;\r\n    border-radius: 0px 0px 0 0 !important; \r\n\tbackground-color: #e8e8e8 !important;\r\n\tcolor: #000000 !important;\r\n\tpadding: 15px 18px 15px 18px !important;\r\n\ttext-decoration: none !important;\r\n\tfont-size: 14px !important;\r\n\ttext-align:center !important;\r\n\tfont-family: Open Sans !important;\r\n}\r\n#tab_container_11201 .wpsm_nav-tabs > li > a:focus {\r\noutline: 0px !important;\r\n}\r\n\r\n#tab_container_11201 .wpsm_nav-tabs > li > a:before {\r\n\tdisplay:none !important;\r\n}\r\n#tab_container_11201 .wpsm_nav-tabs > li > a:after {\r\n\tdisplay:none !important ;\r\n}\r\n#tab_container_11201 .wpsm_nav-tabs > li{\r\npadding:0px !important ;\r\nmargin:0px;\r\n}\r\n\r\n#tab_container_11201 .wpsm_nav-tabs > li > a:hover , #tab_container_11201 .wpsm_nav-tabs > li > a:focus {\r\n    color: #000000 !important;\r\n    background-color: #e8e8e8 !important;\r\n\tborder: 1px solid #d5d5d5 !important;\r\n\t\r\n}\r\n#tab_container_11201 .wpsm_nav-tabs > li > a .fa{\r\n\r\nmargin-right:5px !important;\r\n\r\nmargin-left:5px !important;\r\n\r\n\r\n}\r\n\r\n\t\t#tab_container_11201 .wpsm_nav-tabs a{\r\n\t\t\tbackground-image: none;\r\n\t\t\tbackground-position: 0 0;\r\n\t\t\tbackground-repeat: repeat-x;\r\n\t\t}\r\n\t\t\t\r\n\r\n\r\n#tab_container_11201 .wpsm_nav-tabs > li {\r\n    float: left;\r\n    margin-bottom: -1px !important;\r\n\tmargin-right:0px !important; \r\n}\r\n\r\n\r\n#tab_container_11201 .tab-content{\r\noverflow:hidden !important;\r\n}\r\n\r\n\r\n@media (min-width: 769px) {\r\n\r\n\t#tab_container_11201 .wpsm_nav-tabs > li{\r\n\t\tfloat:left !important ;\r\n\t\t\t\tmargin-right:-1px !important;\r\n\t\t\t\t\t}\r\n\t#tab_container_11201 .wpsm_nav-tabs{\r\n\t\tfloat:none !important;\r\n\t\tmargin:0px !important;\r\n\t}\r\n\r\n\t#tab_container_11201 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11201 .wpsm_nav{\r\n\t\t\t}\r\n\r\n}\r\n\r\n\r\n\r\n@media (max-width: 768px) {\r\n\t#tab_container_11201 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11201 .wpsm_nav{\r\n\t\t\t}\r\n}\r\n\r\n\r\n\t.wpsm_nav-tabs li:before{\r\n\t\tdisplay:none !important;\r\n\t}\r\n\r\n\t@media (max-width: 768px) {\r\n\t\t\t\t\r\n\t\t\t\t.wpsm_nav-tabs{\r\n\t\t\tmargin-left:0px !important;\r\n\t\t\tmargin-right:0px !important; \r\n\t\t\t\r\n\t\t}\r\n\t\t\t\t#tab_container_11201 .wpsm_nav-tabs > li{\r\n\t\t\tfloat:none !important;\r\n\t\t}\r\n\t\t\t\r\n\t}\t\t\t\t<\/style>\r\n\t\t\t\t<div id=\"tab_container_11201\" >\r\n\t \r\n\t\t\t\t\t<ul class=\"wpsm_nav wpsm_nav-tabs\" role=\"tablist\" id=\"myTab_11201\">\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  class=\"active\"  onclick=\"do_resize()\">\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_11201_1\" aria-controls=\"tabs_desc_11201_1\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"fa fa-code\"><\/i> \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t<span>Java<\/span>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\t\t\t\t <\/ul>\r\n\r\n\t\t\t\t\t  <!-- Tab panes -->\r\n\t\t\t\t\t  <div class=\"tab-content\" id=\"tab-content_11201\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane  in active \" id=\"tabs_desc_11201_1\">\r\n\t\t\t\t\t\t\t\t<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"java\">import java.util.LinkedList;\r\n\r\nclass Main {\r\n  public static void main(String[] args) {\r\n    LinkedList&lt;String&gt; languages = new LinkedList&lt;&gt;();\r\n\r\n    \/\/ add elements in the linked list\r\n    languages.add(\"Java\");\r\n    languages.add(\"Python\");\r\n    languages.add(\"JavaScript\");\r\n    languages.add(\"Java\");\r\n    System.out.println(\"LinkedList: \" + languages);\r\n\r\n    \/\/ change elements at index 3\r\n    languages.set(3, \"Kotlin\");\r\n    System.out.println(\"Updated LinkedList: \" + languages);\r\n  }\r\n}<\/pre>\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t <\/div>\r\n\t\t\t\t\t \r\n\t\t\t\t <\/div>\r\n <script>\r\n\t\tjQuery(function () {\r\n\t\t\tjQuery('#myTab_11201 a:first').tab('show')\r\n\t\t});\r\n\t\t\r\n\t\t\t\tjQuery(function(){\r\n\t\t\tvar b=\"fadeIn\";\r\n\t\t\tvar c;\r\n\t\t\tvar a;\r\n\t\t\td(jQuery(\"#myTab_11201 a\"),jQuery(\"#tab-content_11201\"));function d(e,f,g){\r\n\t\t\t\te.click(function(i){\r\n\t\t\t\t\ti.preventDefault();\r\n\t\t\t\t\tjQuery(this).tab(\"show\");\r\n\t\t\t\t\tvar h=jQuery(this).data(\"easein\");\r\n\t\t\t\t\tif(c){c.removeClass(a);}\r\n\t\t\t\t\tif(h){f.find(\"div.active\").addClass(\"animated \"+h);a=h;}\r\n\t\t\t\t\telse{if(g){f.find(\"div.active\").addClass(\"animated \"+g);a=g;}else{f.find(\"div.active\").addClass(\"animated \"+b);a=b;}}c=f.find(\"div.active\");\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\t\t\r\n\r\n\t\tfunction do_resize(){\r\n\r\n\t\t\tvar width=jQuery( '.tab-content .tab-pane iframe' ).width();\r\n\t\t\tvar height=jQuery( '.tab-content .tab-pane iframe' ).height();\r\n\r\n\t\t\tvar toggleSize = true;\r\n\t\t\tjQuery('iframe').animate({\r\n\t\t\t    width: toggleSize ? width : 640,\r\n\t\t\t    height: toggleSize ? height : 360\r\n\t\t\t  }, 250);\r\n\r\n\t\t\t  toggleSize = !toggleSize;\r\n\t\t}\r\n\r\n\r\n\t<\/script>\r\n\t\t\t\t\r\n\t\t\t\n<p><strong>Output<\/strong><\/p>\n<pre><code>LinkedList: [Java, Python, JavaScript, Java]\nUpdated LinkedList: [Java, Python, JavaScript, Kotlin]<\/code><\/pre>\n<p>In the above example, we have created a LinkedList named languages. Notice the line,<\/p>\n<p>languages.set(3, &quot;Kotlin&quot;);<br \/>\nHere, the set() method changes the element at index 3 to Kotlin.<\/p>\n<h3>Remove element from a LinkedList<\/h3>\n<p>The remove() method of the LinkedList class is used to remove an element from the LinkedList. For example,<\/p>\n\t\t\t\t\t\t<style>\r\n\t\t\t\t\r\n\t\t\t\t\t#tab_container_11202 {\r\n\toverflow:hidden;\r\n\tdisplay:block;\r\n\twidth:100%;\r\n\tborder:0px solid #ddd;\r\n\tmargin-bottom:30px;\r\n\t}\r\n\r\n#tab_container_11202 .tab-content{\r\n\tpadding:20px;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n\tmargin-top: 0px;\r\n\tbackground-color:#ffffff !important;\r\n\tcolor: #000000 !important;\r\n\tfont-size:16px !important;\r\n\tfont-family: Open Sans !important;\r\n\t\r\n\t\tborder: 1px solid #e6e6e6 !important;\r\n\t}\r\n#tab_container_11202 .wpsm_nav-tabs {\r\n    border-bottom: 0px solid #ddd;\r\n}\r\n#tab_container_11202 .wpsm_nav-tabs > li.active > a, #tab_container_11202 .wpsm_nav-tabs > li.active > a:hover, #tab_container_11202 .wpsm_nav-tabs > li.active > a:focus {\r\n\tcolor: #000000 !important;\r\n\tcursor: default;\r\n\tbackground-color: #ffffff !important;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n}\r\n\r\n#tab_container_11202 .wpsm_nav-tabs > li > a {\r\n    margin-right: 0px !important; \r\n    line-height: 1.42857143 !important;\r\n    border: 1px solid #d5d5d5 !important;\r\n    border-radius: 0px 0px 0 0 !important; \r\n\tbackground-color: #e8e8e8 !important;\r\n\tcolor: #000000 !important;\r\n\tpadding: 15px 18px 15px 18px !important;\r\n\ttext-decoration: none !important;\r\n\tfont-size: 14px !important;\r\n\ttext-align:center !important;\r\n\tfont-family: Open Sans !important;\r\n}\r\n#tab_container_11202 .wpsm_nav-tabs > li > a:focus {\r\noutline: 0px !important;\r\n}\r\n\r\n#tab_container_11202 .wpsm_nav-tabs > li > a:before {\r\n\tdisplay:none !important;\r\n}\r\n#tab_container_11202 .wpsm_nav-tabs > li > a:after {\r\n\tdisplay:none !important ;\r\n}\r\n#tab_container_11202 .wpsm_nav-tabs > li{\r\npadding:0px !important ;\r\nmargin:0px;\r\n}\r\n\r\n#tab_container_11202 .wpsm_nav-tabs > li > a:hover , #tab_container_11202 .wpsm_nav-tabs > li > a:focus {\r\n    color: #000000 !important;\r\n    background-color: #e8e8e8 !important;\r\n\tborder: 1px solid #d5d5d5 !important;\r\n\t\r\n}\r\n#tab_container_11202 .wpsm_nav-tabs > li > a .fa{\r\n\r\nmargin-right:5px !important;\r\n\r\nmargin-left:5px !important;\r\n\r\n\r\n}\r\n\r\n\t\t#tab_container_11202 .wpsm_nav-tabs a{\r\n\t\t\tbackground-image: none;\r\n\t\t\tbackground-position: 0 0;\r\n\t\t\tbackground-repeat: repeat-x;\r\n\t\t}\r\n\t\t\t\r\n\r\n\r\n#tab_container_11202 .wpsm_nav-tabs > li {\r\n    float: left;\r\n    margin-bottom: -1px !important;\r\n\tmargin-right:0px !important; \r\n}\r\n\r\n\r\n#tab_container_11202 .tab-content{\r\noverflow:hidden !important;\r\n}\r\n\r\n\r\n@media (min-width: 769px) {\r\n\r\n\t#tab_container_11202 .wpsm_nav-tabs > li{\r\n\t\tfloat:left !important ;\r\n\t\t\t\tmargin-right:-1px !important;\r\n\t\t\t\t\t}\r\n\t#tab_container_11202 .wpsm_nav-tabs{\r\n\t\tfloat:none !important;\r\n\t\tmargin:0px !important;\r\n\t}\r\n\r\n\t#tab_container_11202 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11202 .wpsm_nav{\r\n\t\t\t}\r\n\r\n}\r\n\r\n\r\n\r\n@media (max-width: 768px) {\r\n\t#tab_container_11202 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_11202 .wpsm_nav{\r\n\t\t\t}\r\n}\r\n\r\n\r\n\t.wpsm_nav-tabs li:before{\r\n\t\tdisplay:none !important;\r\n\t}\r\n\r\n\t@media (max-width: 768px) {\r\n\t\t\t\t\r\n\t\t\t\t.wpsm_nav-tabs{\r\n\t\t\tmargin-left:0px !important;\r\n\t\t\tmargin-right:0px !important; \r\n\t\t\t\r\n\t\t}\r\n\t\t\t\t#tab_container_11202 .wpsm_nav-tabs > li{\r\n\t\t\tfloat:none !important;\r\n\t\t}\r\n\t\t\t\r\n\t}\t\t\t\t<\/style>\r\n\t\t\t\t<div id=\"tab_container_11202\" >\r\n\t \r\n\t\t\t\t\t<ul class=\"wpsm_nav wpsm_nav-tabs\" role=\"tablist\" id=\"myTab_11202\">\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  class=\"active\"  onclick=\"do_resize()\">\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_11202_1\" aria-controls=\"tabs_desc_11202_1\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<i class=\"fa fa-code\"><\/i> \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t<span>Java<\/span>\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\t\t\t\t <\/ul>\r\n\r\n\t\t\t\t\t  <!-- Tab panes -->\r\n\t\t\t\t\t  <div class=\"tab-content\" id=\"tab-content_11202\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane  in active \" id=\"tabs_desc_11202_1\">\r\n\t\t\t\t\t\t\t\t<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"java\">import java.util.LinkedList;\r\n\r\nclass Main {\r\n  public static void main(String[] args) {\r\n    LinkedList&lt;String&gt; languages = new LinkedList&lt;&gt;();\r\n\r\n    \/\/ add elements in LinkedList\r\n    languages.add(\"Java\");\r\n    languages.add(\"Python\");\r\n    languages.add(\"JavaScript\");\r\n    languages.add(\"Kotlin\");\r\n    System.out.println(\"LinkedList: \" + languages);\r\n\r\n    \/\/ remove elements from index 1\r\n    String str = languages.remove(1);\r\n    System.out.println(\"Removed Element: \" + str);\r\n\r\n    System.out.println(\"Updated LinkedList: \" + languages);\r\n  }\r\n}<\/pre>\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t <\/div>\r\n\t\t\t\t\t \r\n\t\t\t\t <\/div>\r\n <script>\r\n\t\tjQuery(function () {\r\n\t\t\tjQuery('#myTab_11202 a:first').tab('show')\r\n\t\t});\r\n\t\t\r\n\t\t\t\tjQuery(function(){\r\n\t\t\tvar b=\"fadeIn\";\r\n\t\t\tvar c;\r\n\t\t\tvar a;\r\n\t\t\td(jQuery(\"#myTab_11202 a\"),jQuery(\"#tab-content_11202\"));function d(e,f,g){\r\n\t\t\t\te.click(function(i){\r\n\t\t\t\t\ti.preventDefault();\r\n\t\t\t\t\tjQuery(this).tab(\"show\");\r\n\t\t\t\t\tvar h=jQuery(this).data(\"easein\");\r\n\t\t\t\t\tif(c){c.removeClass(a);}\r\n\t\t\t\t\tif(h){f.find(\"div.active\").addClass(\"animated \"+h);a=h;}\r\n\t\t\t\t\telse{if(g){f.find(\"div.active\").addClass(\"animated \"+g);a=g;}else{f.find(\"div.active\").addClass(\"animated \"+b);a=b;}}c=f.find(\"div.active\");\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\t\t\r\n\r\n\t\tfunction do_resize(){\r\n\r\n\t\t\tvar width=jQuery( '.tab-content .tab-pane iframe' ).width();\r\n\t\t\tvar height=jQuery( '.tab-content .tab-pane iframe' ).height();\r\n\r\n\t\t\tvar toggleSize = true;\r\n\t\t\tjQuery('iframe').animate({\r\n\t\t\t    width: toggleSize ? width : 640,\r\n\t\t\t    height: toggleSize ? height : 360\r\n\t\t\t  }, 250);\r\n\r\n\t\t\t  toggleSize = !toggleSize;\r\n\t\t}\r\n\r\n\r\n\t<\/script>\r\n\t\t\t\t\r\n\t\t\t\n<p><strong>Output<\/strong><\/p>\n<pre><code>LinkedList: [Java, Python, JavaScript, Kotlin]\nRemoved Element: Python\nNew LinkedList: [Java, JavaScript, Kotlin]<\/code><\/pre>\n<p>Here, the remove() method takes the index number as the parameter. And, removes the element specified by the index number.<\/p>\n<p><strong>Other Methods<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>Methods<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>contains( )<\/td>\n<td>checks if the linkedlist contains the element<\/td>\n<\/tr>\n<tr>\n<td>indexof( )<\/td>\n<td>returns the index of the first occurrence of the element<\/td>\n<\/tr>\n<tr>\n<td>lastindexof( )<\/td>\n<td>returns the index of the last occurrence of the elements<\/td>\n<\/tr>\n<tr>\n<td>clear( )<\/td>\n<td>removes all the elements of the linkedlist<\/td>\n<\/tr>\n<tr>\n<td>iterator( )<\/td>\n<td>returns an iterator to iterate over linkedlist<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Iterating through LinkedList<\/h2>\n<p>We can use the Java for-each loop to iterate through LinkedList. For example,<\/p>\n\t\t\t\t\t\t<style>\r\n\t\t\t\t\r\n\t\t\t\t\t#tab_container_11203 {\r\n\toverflow:hidden;\r\n\tdisplay:block;\r\n\twidth:100%;\r\n\tborder:0px solid #ddd;\r\n\tmargin-bottom:30px;\r\n\t}\r\n\r\n#tab_container_11203 .tab-content{\r\n\tpadding:20px;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n\tmargin-top: 0px;\r\n\tbackground-color:#ffffff !important;\r\n\tcolor: #000000 !important;\r\n\tfont-size:16px !important;\r\n\tfont-family: Open Sans !important;\r\n\t\r\n\t\tborder: 1px solid #e6e6e6 !important;\r\n\t}\r\n#tab_container_11203 .wpsm_nav-tabs {\r\n    border-bottom: 0px solid #ddd;\r\n}\r\n#tab_container_11203 .wpsm_nav-tabs > li.active > a, #tab_container_11203 .wpsm_nav-tabs > li.active > a:hover, #tab_container_11203 .wpsm_nav-tabs > li.active > a:focus {\r\n\tcolor: #000000 !important;\r\n\tcursor: default;\r\n\tbackground-color: #ffffff !important;\r\n\tborder: 1px solid #e6e6e6 !important;\r\n}\r\n\r\n#tab_container_11203 .wpsm_nav-tabs > li > a {\r\n    margin-right: 0px !important; 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animals = new LinkedList&lt;&gt;();\r\n        animals.add(\"Cow\");\r\n        animals.add(\"Cat\");\r\n        animals.add(\"Dog\");\r\n        System.out.println(\"LinkedList: \" + animals);\r\n\r\n        \/\/ Using forEach loop\r\n        System.out.println(\"Accessing linked list elements:\");\r\n        for(String animal: animals) {\r\n            System.out.print(animal);\r\n            System.out.print(\", \");\r\n        }\r\n    }\r\n}<\/pre>\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t <\/div>\r\n\t\t\t\t\t \r\n\t\t\t\t <\/div>\r\n <script>\r\n\t\tjQuery(function () {\r\n\t\t\tjQuery('#myTab_11203 a:first').tab('show')\r\n\t\t});\r\n\t\t\r\n\t\t\t\tjQuery(function(){\r\n\t\t\tvar b=\"fadeIn\";\r\n\t\t\tvar c;\r\n\t\t\tvar a;\r\n\t\t\td(jQuery(\"#myTab_11203 a\"),jQuery(\"#tab-content_11203\"));function d(e,f,g){\r\n\t\t\t\te.click(function(i){\r\n\t\t\t\t\ti.preventDefault();\r\n\t\t\t\t\tjQuery(this).tab(\"show\");\r\n\t\t\t\t\tvar h=jQuery(this).data(\"easein\");\r\n\t\t\t\t\tif(c){c.removeClass(a);}\r\n\t\t\t\t\tif(h){f.find(\"div.active\").addClass(\"animated \"+h);a=h;}\r\n\t\t\t\t\telse{if(g){f.find(\"div.active\").addClass(\"animated \"+g);a=g;}else{f.find(\"div.active\").addClass(\"animated \"+b);a=b;}}c=f.find(\"div.active\");\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\t\t\r\n\r\n\t\tfunction do_resize(){\r\n\r\n\t\t\tvar width=jQuery( '.tab-content .tab-pane iframe' ).width();\r\n\t\t\tvar height=jQuery( '.tab-content .tab-pane iframe' ).height();\r\n\r\n\t\t\tvar toggleSize = true;\r\n\t\t\tjQuery('iframe').animate({\r\n\t\t\t    width: toggleSize ? width : 640,\r\n\t\t\t    height: toggleSize ? height : 360\r\n\t\t\t  }, 250);\r\n\r\n\t\t\t  toggleSize = !toggleSize;\r\n\t\t}\r\n\r\n\r\n\t<\/script>\r\n\t\t\t\t\r\n\t\t\t\n<p><strong>Output<\/strong><\/p>\n<pre><code>LinkedList: [Cow, Cat, Dog]\nAccessing linked list elements:\nCow, Cat, Dog, <\/code><\/pre>\n<h2>LinkedList Vs. ArrayList<\/h2>\n<p>Both the Java ArrayList and LinkedList implements the List interface of the Collections framework. However, there exists some difference between them.<\/p>\n<table>\n<thead>\n<tr>\n<th>LinkedList<\/th>\n<th>ArrayList<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Implements List, Queue, and Deque interfaces.<\/td>\n<td>Implements List Interface.<\/td>\n<\/tr>\n<tr>\n<td>Stores 3 values (previous address, data, and next address) in a single position.<\/td>\n<td>Stores a single value in a single position.<\/td>\n<\/tr>\n<tr>\n<td>Provides the doubly-linked list implementation.<\/td>\n<td>Provides a resizable array implementation.<\/td>\n<\/tr>\n<tr>\n<td>Whenever an element is added, prev and next addresses are changed.<\/td>\n<td>Whenever an element is added, all elements after that position are shifted.<\/td>\n<\/tr>\n<tr>\n<td>To access an element, we need to iterate from the beginning to the element.<\/td>\n<td>Can randomly access elements using indexes.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Conclusion<\/strong><br \/>\nIn conclusion, the backtracking algorithm is a powerful tool for solving a wide range of problems, including linked list programs in Java. By systematically exploring the search space and incrementally building solution candidates, backtracking allows us to find valid solutions, optimize routes, solve puzzles, and more. With its ability to backtrack and undo choices, the algorithm efficiently navigates through complex decision paths, making it applicable to various domains. Whether it&#8217;s finding Hamiltonian paths in graphs, solving the N-Queens problem, navigating mazes, or solving the Knight&#8217;s Tour problem, backtracking proves its worth. By incorporating backtracking techniques into linked list programs in Java, developers can effectively handle scenarios where multiple paths need to be explored or specific constraints must be satisfied. The versatility and flexibility of the backtracking algorithm make it an invaluable tool in a programmer&#8217;s toolkit for developing efficient and robust linked list programs in Java.<\/p>\n<h2>Frequently Asked Questions (FAQs)<\/h2>\n<p><strong>Q1. How can I use the backtracking algorithm to solve problems involving linked lists in Java?<\/strong><br \/>\nThe backtracking algorithm can be applied to solve problems involving linked lists in Java by formulating the problem as a search space where each decision point represents a node in the linked list. By exploring different paths and backtracking when necessary, you can find valid solutions such as finding a specific element or satisfying certain conditions within the linked list.<\/p>\n<p><strong>Q2. Can the backtracking algorithm be used to solve complex linked list problems efficiently?<\/strong><br \/>\nThe efficiency of the backtracking algorithm in solving complex linked list problems depends on the size of the search space and the specific constraints involved. While backtracking explores all possible solutions, it may become resource-intensive for large linked lists. In such cases, optimizing techniques like pruning or heuristics can be employed to reduce the search space and improve efficiency.<\/p>\n<p><strong>Q3. What are some common examples of linked list programs in Java that can be solved using backtracking?<\/strong><br \/>\nSome common examples of linked list programs in Java that can be solved using backtracking include finding a specific element in the linked list, detecting cycles or loops in the list, determining whether the list is a palindrome, or finding combinations of elements that satisfy certain conditions within the list.<\/p>\n<p><strong>Q4. Are there any limitations to using the backtracking algorithm for linked list programs in Java?<\/strong><br \/>\nWhile the backtracking algorithm is a powerful technique, it may not be suitable for all linked list problems. Its effectiveness depends on the nature of the problem and the complexity of the search space. Problems with a large number of elements or complex constraints may require alternative algorithms or data structures for more efficient solutions.<\/p>\n<p><strong>Q5. Can the backtracking algorithm be used for linked lists with nested structures or multiple levels?<\/strong><br \/>\nYes, the backtracking algorithm can be adapted to handle linked lists with nested structures or multiple levels. By appropriately defining the decision points and constraints, the algorithm can explore all possible combinations within the linked list, considering nested elements or levels as additional dimensions in the search space.<\/p>\n<p><strong>Other Java Programs<\/strong><\/p>\n<p><a href=\"https:\/\/prepbytes.com\/blog\/java\/java-program-to-add-two-numbers\/\" title=\"Java Program to Add Two Numbers\">Java Program to Add Two Numbers<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/java-program-to-check-prime-number\/\" title=\"Java Program to Check Prime Number\">Java Program to Check Prime Number<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/java-program-to-check-whether-a-number-is-a-palindrome-or-not\/\" title=\"Java Program to Check Whether a Number is a Palindrome or Not\">Java Program to Check Whether a Number is a Palindrome or Not<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/java-program-to-find-the-factorial-of-a-number\/\" title=\"Java Program to Find the Factorial of a Number\">Java Program to Find the Factorial of a Number<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/java-program-to-reverse-a-number\/\" title=\"Java Program to Reverse a Number\">Java Program to Reverse a Number<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/java-program-to-search-an-element-in-a-linked-list\/\" title=\"Java Program to search an element in a Linked List\">Java Program to search an element in a Linked List<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/program-to-convert-arraylist-to-linkedlist-in-java\/\" title=\"Program to convert ArrayList to LinkedList in Java\">Program to convert ArrayList to LinkedList in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/linked-list\/java-program-to-reverse-a-linked-list\/\" title=\"Java Program to Reverse a linked list\">Java Program to Reverse a linked list<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/linked-list\/java-program-to-search-an-element-in-a-linked-list\/\" title=\"Java Program to search an element in a Linked List\">Java Program to search an element in a Linked List<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/anagram-program-in-java\/\" title=\"Anagram Program in Java\">Anagram Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/inheritance-program-in-java\/\" title=\"Inheritance Program in Java\">Inheritance Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/even-odd-program-in-java\/\" title=\"Even Odd Program in Java\">Even Odd Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/hello-world-program-in-java\/\" title=\"Hello World Program in Java\">Hello World Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/if-else-program-in-java\/\" title=\"If else Program in Java\">If else Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/binary-search-program-in-java\/\" title=\"Binary Search Program in Java\">Binary Search Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/linear-search-program-in-java\/\" title=\"Linear Search Program in Java\">Linear Search Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/menu-driven-program-in-java\/\" title=\"Menu Driven Program in Java\">Menu Driven Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/package-program-in-java\/\" title=\"Package Program in Java\">Package Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/leap-year-program-in-java\/\" title=\"Leap Year Program in Java\">Leap Year Program in Java<\/a><br \/>\n<a href=\"https:\/\/prepbytes.com\/blog\/java\/array-programs-in-java\/\" title=\"Array Programs in Java\">Array Programs in Java<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The LinkedList class of the Java collections framework provides the functionality of the linked list data structure (doubly linked list). Each element in a linked list is known as a node. It consists of 3 fields: Prev &#8211; stores an address of the previous element in the list. It is null for the first element [&hellip;]<\/p>\n","protected":false},"author":52,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[143],"tags":[],"class_list":["post-11204","post","type-post","status-publish","format-standard","hentry","category-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linked List Program in Java<\/title>\n<meta name=\"description\" content=\"Know how to write Java Program to create linked list, Programs to add elements in linked list and Programs to access, change and remove element in linked list.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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