package devmanuals.com;

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

public class DequeContains {
	public static void main(String args[]) {
		Deque<String> dqa = new ArrayDeque<String>();
		dqa.add("15");
		dqa.add("16");
		dqa.add("17");
		dqa.add("18");
		System.out.println("Elements of previous deque are :" + dqa);
		System.out.println("And the size of deque : " + dqa.size());
		System.out
				.println("Insert a new element '10' at the front of the deque");
		// This method will add the element at the front of the deque.
		dqa.addFirst("14");
		System.out.println("Then the new Elements of deque are : " + dqa);
		System.out
				.println("Now insert a new element '15' at the end of the deque");
		// This method will add the element at the end position of the deque.
		dqa.addLast("19");
		System.out.println("Then the new Elements of deque are : " + dqa);
		System.out.println("And the size of new deque = " + dqa.size());
		// This method will test whether the element '19' is present in deqe or not. 
		boolean bol = dqa.contains("19");
		System.out.println("Deque has specified element : " + bol);
		if (bol == true)
			System.out
					.println("Is the specified element present in deque ? : YES");
		else
			System.out
					.println("Is the specified element present in deque ? : NO");
	}
}