Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.ArrayDeque;
import java.util.Deque;
import java.util.Iterator;

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

        ArrayDeque<Integer> deque = new ArrayDeque<Integer>(8);

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

        //iterator() is used to print all the elements
        //next() returns the next element on each iteration
        System.out.println("printing elements using iterator:");

        for (Iterator itr = deque.iterator(); itr.hasNext();) {
            System.out.println(itr.next());
        }

        //descendingIterator() is used to print the elements in reverse order
        //next() returns the next element on each iteration
        System.out.println("printing elements in reverse order:");

        for (Iterator descItr = deque.descendingIterator(); descItr.hasNext();) {
            System.out.println(descItr.next());
        }
    }
}