package collections;

import java.util.*;

public class ArrayDequeExample {

public static void main(String[] args) {

Deque<Integer> de_que = new ArrayDeque<Integer>(10);

de_que.add(10);

de_que.add(20);

de_que.add(30);

System.out.println("Elements: " + de_que);

de_que.clear();

de_que.addFirst(100);

de_que.addFirst(200);

de_que.addLast(400);

de_que.addLast(500);

System.out.print("Using Iterator: ");

for(Iterator itr = de_que.iterator(); itr.hasNext();){

System.out.print(itr.next() + ", ");

}

System.out.print("\nUsing Decending Iterator: ");

for(Iterator ditr = de_que.descendingIterator(); ditr.hasNext();){

System.out.print(ditr.next() + ", ");

}

System.out.println("\nHead Element using element(): " + de_que.element());

System.out.println("Head Element using getFirst(): " + de_que.getFirst());

System.out.println("Last Element using getLast(): " + de_que.getLast());

System.out.println("Array Size: " + de_que.size());

System.out.println("Head Element using peek(): " + de_que.peek());

System.out.println("Head Element using poll(): " + de_que.poll());

System.out.println("Head Element remove: " + de_que.remove());

System.out.println("Final Arrays: " + de_que);

}

}