LinkedList E removeFirst() method Example Program
By candid | Posted :
Jun 30, 2015
| Updated :
Jun 30, 2015
Removes and returns the first element from this list.
Program
package com.candidjava;
import java.util.LinkedList;
/**
*
* @author : mohan
* @description :The java.util.LinkedList.removeFirst() method removes and
* returns the first element from this list.
*/
public class LinkedListRemovFirst {
public static void main(String[] args) {
LinkedList list = new LinkedList();
list.add("anandh");
list.add("hari");
list.add("vinoth");
list.add("mohan");
list.add("kamal");
System.out.println("LinkedList:" + list);
System.out.println("First element:" + list.removeFirst());
System.out.println("LinkedList:" + list);
}
}
Output
LinkedList:[anandh, hari, vinoth, mohan, kamal]
First element:anandh
LinkedList:[hari, vinoth, mohan, kamal]
Explanation
public E removeFirst()
Removes and returns the first element from this list.
Specified by:
removeFirst in interface Deque<E>
Returns:
the first element from this list
Throws:
NoSuchElementException - if this list is empty
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