PriorityQueueTest.java

package PriorityQueueTest;

import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.PriorityQueue;


/**
 * Aceasta programa demostreaza folosirea Heapurilor
 * @author Dan
 *
 */
public class PriorityQueueTest 
{
	public static void main(String[] args)
	{
		PriorityQueue<GregorianCalendar> pq	 = new PriorityQueue<GregorianCalendar>();
		
		pq.add(new GregorianCalendar(1906, Calendar.DECEMBER, 9)); //G.Hopper
		pq.add(new GregorianCalendar(1815, Calendar.DECEMBER, 10)); //A. Lovelace
		pq.add(new GregorianCalendar(1903, Calendar.DECEMBER, 3));//J. von Neuman
		pq.add(new GregorianCalendar(1910, Calendar.JUNE, 22));
		
		System.out.println("Iterating over elements...");
		for(GregorianCalendar date : pq)
		{
			System.out.println(date.get(Calendar.YEAR));
		}
		System.out.println("Removing elements...");
		while(!pq.isEmpty())
		{
			System.out.println(pq.remove().get(Calendar.YEAR));
		}
	}
}