Java Collections - ArrayDeque.size() Examples

package com.logicbig.example.arraydeque;

import java.util.ArrayDeque;
import java.util.List;
import java.util.Set;

public class SizeExample {

    public static void main(String... args) {
        ArrayDeque<Integer> ad = new ArrayDeque<>(List.of(3, 8, 1, 9));
        System.out.println(ad);
        int size = ad.size();
        System.out.println(size);
    }
}