Sunday 25 May 2014

LinkedList : removeFirst : Removes and returns the first element from this list

public E removeFirst()
Removes and returns the first element from this list.

import java.util.*;

class LinkedListRemoveFirst{
 public static void main(String args[]){
  LinkedList<Integer> myList;
  myList = new LinkedList<> ();
  
  /* Add Elements to myList */
  myList.add(10);
  myList.add(20);
  myList.add(30);
  myList.add(10);
  
  System.out.println("Elements in myList are");
  System.out.println(myList);
  
  System.out.println("\nCalling remove first");
  myList.removeFirst();
  
  System.out.println("\nElements in myList are");
  System.out.println(myList);
 }
}

Output
Elements in myList are
[10, 20, 30, 10]

Calling remove first

Elements in myList are
[20, 30, 10]

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