/**
   A demonstration of a runtime exception using the class OurMath.
   @author Frank M. Carrano
   @author Timothy M. Henry
   @version 5.0
*/
public class OurMathDriver
{
   public static void main(String[] args)
   {
      System.out.print("The square root of 9 is ");
      System.out.println(OurMath.squareRoot(9.0));

      System.out.print("The square root of -9 is ");
      System.out.println(OurMath.squareRoot(-9.0));

      System.out.print("The square root of 16 is ");
      System.out.println(OurMath.squareRoot(16.0));
   } // end main
} // end OurMathDriver
/*
 The square root of 9 is 3.0
 The square root of -9 is Exception in thread "main" SquareRootException:
 Attempted square root of a negative number.
 at OurMath.squareRoot(OurMath.java:14)
 at OurMathDriver.main(OurMathDriver.java:12)
*/