Java Deque.getFirst()

Syntax

Deque.getFirst() has the following syntax.

E getFirst()

Example

In the following code shows how to use Deque.getFirst() method.


/*from w  w  w.j  a  va 2  s .  c o m*/
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(15);
      deque.add(30);
      deque.add(20);
      deque.add(18);        
           
      System.out.println(deque);
      
      int retval = deque.getFirst();
      System.out.println("Retrieved Element is = " + retval);
   }
}

The code above generates the following result.