Java Collection Tutorial - Java LinkedList.poll()

• Back to LinkedList  ↑

Syntax

LinkedList.poll() has the following syntax.

public E poll()

Example

In the following code shows how to use LinkedList.poll() method.

/*  www  .  j  a v a2 s .c o  m*/

import java.util.LinkedList;

public class Main {

   public static void main(String[] args) {

      // create a LinkedList
      LinkedList<String> list = new LinkedList<String>();

      // add some elements
      list.add("Hello");
      list.add("from java2s.com");
      list.add("10");

      // print the list
      System.out.println("LinkedList:" + list);

      // retrieve and remove the head of the list
      System.out.println("Head element of the list:" + list.poll());

      // print the list
      System.out.println("LinkedList:" + list);
   }
}

The code above generates the following result.

• Back to LinkedList  ↑