import java.util.Collections;

import java.util.Iterator;

import java.util.PriorityQueue;

public class PriorityQueueExec {

public static void main(String[] args) {

PriorityQueue<Car> carsQueue = new PriorityQueue<Car>();

//adding the elements

for(int i =0; i<100; i++){

Car c = new Car("H-"+i);

c.setPrice((int)(Math.random()*100)+1);

carsQueue.offer(c);

}

//peek()

System.out.println(carsQueue.peek());

//Iterating through the elements

Iterator<Car> carIterator = carsQueue.iterator();

while(carIterator.hasNext()){

Car c = carIterator.next();

System.out.println(c+" Price -"+c.getPrice());

}

//Contains

Car x = new Car("H-9");

System.out.println(carsQueue.contains(x));

//poll

while(carsQueue.size()>0){

Car c = carsQueue.poll();

System.out.println(c+" Price:"+c.getPrice());

}

System.out.println("SIZE:"+carsQueue.size());

//Thread safe priority queue

PriorityQueue<Car> tsafeQueue = (PriorityQueue<Car>)Collections.synchronizedCollection(new PriorityQueue<Car>());

}

}