Java Collection, PriorityQueue Exercises: Create a new priority queue, add some colors (string) and print out the elements of the priority queue

Java Collection, PriorityQueue Exercises: Exercise-1 with Solution

Write a Java program to create a new priority queue, add some colors (string) and print out the elements of the priority queue.

Sample Solution:-

Java Code:

import java.util.PriorityQueue;
public class Exercise1 {
  public static void main(String[] args) {
  PriorityQueue<String> queue=new PriorityQueue<String>();  
  queue.add("Red");
  queue.add("Green");
  queue.add("Orange");
  queue.add("White");
  queue.add("Black");
  System.out.println("Elements of the Priority Queue: ");
  System.out.println(queue);
 }
}

Sample Output:

Elements of the Priority Queue:                                        
[Black, Green, Orange, White, Red] 

Java Code Editor:

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