Java Collection Tutorial - Java PriorityQueue.clear()

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Syntax

PriorityQueue.clear() has the following syntax.

public void clear()

Example

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

/*from   w ww  .  j  a  v a  2 s .co 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.

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