Java priority queue offer() method example.

Java priority queue offer() method example.

In this example, you will see the use of java priority queue offer() method. It is used for insertation a specific element in this queue. It returns boolean value.

Code:

PriorityQueueOfferMethod.java

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

public class PriorityQueueOfferMethod {
public static void main(String[] args) {
	PriorityQueue pQueue = new PriorityQueue();
	pQueue.add("Arunesh");
	pQueue.add("Bharat");
	pQueue.add("C");
	pQueue.add("Gyan");
	Iterator obIterator = pQueue.iterator();
	System.out.println("Element in priority Queue :");
	while (obIterator.hasNext()) {
		System.out.print(obIterator.next() + " ");
	}
	boolean n = pQueue.offer("M");
	if (n == true) {
		System.out.println("\nSpecific value successfully inserted.");
	} else {
		System.out.println("Not inserted.");
	}
	Iterator obIt = pQueue.iterator();
	System.out.println("Element in priority Queue after"
	 +" insertation a specific element.");
	while (obIt.hasNext()) {
		System.out.print(obIt.next() + " ");
	}
     }
}