Java Examples - Adding Element to Linked List

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Problem Description:

How to add an element at first and last position of a linked list?

Solution:

Following example shows how to add an element at the first and last position of a linked list by using addFirst() and addLast() method of Linked List class.

import java.util.LinkedList;

public class Main {
   public static void main(String[] args) {
      LinkedList lList = new LinkedList();
      lList.add("1");
      lList.add("2");
      lList.add("3");
      lList.add("4");
      lList.add("5");
      System.out.println(lList);
      lList.addFirst("0");
      System.out.println(lList);
      lList.addLast("6");
      System.out.println(lList);
   }
}

Result:

The above code sample will produce the following result.

1, 2, 3, 4, 5
0, 1, 2, 3, 4, 5
0, 1, 2, 3, 4, 5, 6


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