Skip to Content
Home » Java Collections And Data Structures ( java.util package ) » LinkedList » Insert an Element into LinkedList Java example

Insert an Element into LinkedList Java example

  1. /*
  2.   Insert an Element into LinkedList Java example
  3.   This java example shows how to insert an element to specified index using
  4.   add method of Java LinkedList class.
  5. */
  6.  
  7. import java.util.LinkedList;
  8.  
  9. public class LinkedListInsertElementExample {
  10.  
  11.   public static void main(String[] args) {
  12.  
  13.     //create LinkedList object
  14.     LinkedList lList = new LinkedList();
  15.    
  16.     //add elements to LinkedList
  17.     lList.add("1");
  18.     lList.add("2");
  19.     lList.add("3");
  20.     lList.add("4");
  21.     lList.add("5");
  22.    
  23.     System.out.println("LinkedList contains : " + lList);
  24.    
  25.     /*
  26.      * To insert an element into LinkedList object, use
  27.      * void add(int index , Object element) method.
  28.      *
  29.      * It inserts specified element at specified index in the LinkedList by
  30.      * shifting current elements and subsequent elements to the right.
  31.      */
  32.    
  33.      lList.add(2, "2.5");
  34.      System.out.println("After inserting 2.5, LinkedList contains : " + lList);
  35.    
  36.    
  37.   }
  38. }
  39.  
  40. /*
  41. Output would be
  42.  
  43. LinkedList contains : [1, 2, 3, 4, 5]
  44. After inserting 2.5, LinkedList contains : [1, 2, 2.5, 3, 4, 5]
  45. */

Receive Latest Java examples in your email: 

Related Java Examples

Get elements from LinkedList Java example
Replace an Element of LinkedList Java example
Remove specified element from LinkedList Java example
Add elements at beginning and end of LinkedList Java example
Remove first and last elements of LinkedList Java example
Get first and last elements from LinkedList Java example
Simple Java LinkedList example
Check if a particular element exists in LinkedList Java example