Compare two double values with Double.doubleToLongBits in Java

//from w  w  w .  ja va  2  s  .  c  om
public class Main {
  static public boolean areEqual(double aThis, double aThat) {

    return Double.doubleToLongBits(aThis) == Double.doubleToLongBits(aThat);
  }
  public static void main(String[] argv){
  System.out.println(areEqual(1.2,2.1));
  }
}