package devmanuals.com;

import java.util.Queue;
import java.util.LinkedList;
import java.util.Iterator;

public class QueueRemove {
	public static void main(String[] args) {
		Queue<Integer> q = new LinkedList<Integer>();
		
		q.add(1);
		q.add(2);
		q.add(3);
		q.add(4);
		q.add(5);
		System.out.println("Is queue empty : "+q.isEmpty());
		System.out.println("Elements of queue : "+q);
		System.out.println("Size of queue before removing element : "+q.size());
		System.out.println("Now after removing the head of the queue new queue is ");
		Object obj=q.remove();
		System.out.println(q);
		System.out.println("Removed element = "+obj);
		System.out.println("Size of queue after removing element : "+q.size());
	System.out.println("Removes all the elements from queue");
		Iterator lq = q.iterator();
	while(lq.hasNext())
		q.remove();
	System.out.println(q);
	System.out.println("Is queue empty : "+q.isEmpty());
	//Here implementation of the remove( ) method will throw an exception 
	q.remove();
	}

}