Java Collection Tutorial - Java Deque.offerFirst(E e)

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Syntax

Deque.offerFirst(E e) has the following syntax.

boolean offerFirst(E e)

Example

In the following code shows how to use Deque.offerFirst(E e) method.

//from   w w  w  . j a v  a  2  s.c om
import java.util.ArrayDeque;
import java.util.Deque;

public class Main {
   public static void main(String[] args) {
      
      
      Deque<Integer>  deque = new ArrayDeque<Integer> (8);

      
      deque.add(1);
      deque.add(2);
      deque.add(3);
      deque.add(4);        
           
      deque.offerFirst(10);

      System.out.println(deque);
   }
}

The code above generates the following result.

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