Java Exception throws null pointer exception

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

      try {/*www  .  jav a  2  s. co m*/
         test(null);
      } catch (NullPointerException e) {
         System.out.println("There was an null parameter!");
      }

   }

   private static void test(Object o) {
      if (o == null)
         throw new NullPointerException("The object is null");

   }
}