Example of priority queue contains method in java.

Example of priority queue contains method in java.

The contains(E a) is a method PriorityQueue class in java. The returns boolean value, if given element is present in priority queue than it returns true otherwise returns false.

Code:

PriorityQueueContainsMethod .java

import java.util.Iterator;
import java.util.PriorityQueue;

public class PriorityQueueContainsMethod {
public static void main(String[] args) {
	PriorityQueue obQueue = new PriorityQueue();
	obQueue.add(1);
	obQueue.add(2);
	obQueue.add(3);
	obQueue.add(4);
	obQueue.add(5);
	Iterator obIt = obQueue.iterator();
	System.out.println("Element of queue");
	while (obIt.hasNext()) {
		System.out.print(obIt.next()+" ");
	}
	boolean b = obQueue.contains(4);
	if (b == true) {
		System.out.println("\nValue is available in queue.");
	} else {
		System.out.println("\nValue is not available in queue.");
	}
   }
}