w3resource

Java: Insert a given element into a priority queue

Java Collection, PriorityQueue Exercises: Exercise-4 with Solution

Write a Java program to insert a given element into a priority queue.

Sample Solution:-

Java Code:

import java.util.PriorityQueue;

  public class Example4 {
  public static void main(String[] args) {

   // Create Priority Queue
           PriorityQueue<String> pq1 = new PriorityQueue<String>();  
   // use add() method to add values in the Priority Queue
          pq1.add("Red");
          pq1.add("Green");
          pq1.add("Black");
          pq1.add("White");
    System.out.println("Original Priority Queue: "+pq1);
   
   // Inserts the specified element into this priority queue.
    pq1.offer("Blue");
 
    System.out.println("The New Priority Queue: " + pq1);
  } 
}

Sample Output:

Original Priority Queue: [Black, Red, Green, White]                    
The New Priority Queue: [Black, Blue, Green, White, Red]

Java Code Editor:

Contribute your code and comments through Disqus.

Previous: Add all the elements of a priority queue to another priority queue.
Next:Remove all the elements from a priority queue.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Become a Patron!

Follow us on Facebook and Twitter for latest update.

It will be nice if you may share this link in any developer community or anywhere else, from where other developers may find this content. Thanks.

https://www.w3resource.com/java-exercises/collection/java-collection-priority-queue-exercise-4.php