Java.util.LinkedList.offerFirst() Method

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Description

The java.util.LinkedList.offerFirst(E e) method inserts the specified element at the front of this list.

Declaration

Following is the declaration for java.util.LinkedList.offerFirst() method

public boolean offerFirst(E e)

Parameters

  • e -- the element to add

Return Value

This method returns true

Exception

  • NA

Example

The following example shows the usage of java.util.LinkedList.offerFirst() method.

package com.tutorialspoint;

import java.util.*;

public class LinkedListDemo {

   public static void main(String[] args) {

      // create a LinkedList
      LinkedList list = new LinkedList();

      // add some elements
      list.add("Hello");
      list.add(2);
      list.add("Chocolate");
      list.add("10");

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

      // offer a new element as the head of the list
      list.offerFirst("Element");

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

Let us compile and run the above program, this will produce the following result:

LinkedList:[Hello, 2, Chocolate, 10]
LinkedList:[Element, Hello, 2, Chocolate, 10]



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