ArrayDeque.size() in Java

ArrayDeque.size(): This method is available in java.util.ArrayDeque class of Java.

Syntax:

int java.util.ArrayDeque.size()

This method returns the number of elements in this deque.

Parameters: NA

Returns: the number of elements in this deque.

Exceptions: NA

Approach

Java

import java.util.ArrayDeque;

public class ArrayDequesize {
    public static void main(String[] args) {

        ArrayDeque<Integer> arrayDeque = 
                      new ArrayDeque<Integer>();

        arrayDeque.add(1);
        arrayDeque.add(4);

        System.out.println(arrayDeque.size());

    }
}

Output:

2