Java Collection Tutorial - Java ArrayDeque.size()

• Back to ArrayDeque  ↑

Syntax

ArrayDeque.size() has the following syntax.

public int size()

Example

In the following code shows how to use ArrayDeque.size() method.

import java.util.ArrayDeque;
import java.util.Deque;
/*  w  ww . jav  a2 s . c o  m*/
public class Main {
   public static void main(String[] args) {
      
      
      Deque<Integer>  deque = new ArrayDeque<Integer> (8);

      
      deque.add(3);
      deque.add(1);
      deque.add(25);
      deque.add(4);

      System.out.println(deque);

      // this will print the size of this deque
      int retval = deque.size();
      System.out.println("Size of deque = " + retval); 
   }
}

The code above generates the following result.

• Back to ArrayDeque  ↑