Java PriorityQueue.clear()

Syntax

PriorityQueue.clear() has the following syntax.

public void clear()

Example

In the following code shows how to use PriorityQueue.clear() method.


//from w w w  . j  a  v  a 2s  .  c o  m
import java.util.PriorityQueue;

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

      PriorityQueue<Integer>   prq = new PriorityQueue<Integer>(); 
       
      for ( int i = 0; i < 10; i++ ){  
         prq.add (i) ; 
      }
      
      System.out.println(prq);
      
      prq.clear();
      
      System.out.println(prq);
   }
}

The code above generates the following result.