Java Collection Framework

Java LinkedList

LinkedList class belongs to java.util package.

It implements List, Deque, Cloneable and Serializable interface. LinkedList is the doubly-LinkedList implementation of the List and Deque interface.


Declaration of LinkedList class

public class LinkedList extends AbstractSequentialList implements List, Deque, Cloneable, Serializable


Key features of LinkedList

1.      It is non-synchronized.

2.      LinkedList is preferred over ArrayList if operations like insertion or deletion needs to be done in bulk.

3.      LinkedList allows addition of null element.


Create LinkedList in java

  • LinkedList myList = new LinkedList ();   
  • LinkedList myList = new LinkedList (Collection c);

Simple Example:


package javaRadarLinkedList;
import java.util.LinkedList;

public class SimpleLinkedList {

      public static void main(String[] args) {

            //create LinkedList

            LinkedList javaRadarList = new LinkedList();

            //Add elements to LinkedList







Now let’s look at different ways in which you can use the LinkedList that you created.


LinkedList operations

Traverse LinkedList


  • LinkedList to ArrayList

ArrayList or LinkedList. Which one to use?(Click to see the difference between two and decide)



  • ArrayList vs LinkedList
  • LinkedList vs Vector


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