Exceptions example

/* This program contains an Error.
   A subclass must come before its superclass in a series of catch
   statements. if not, unreachable code will be created and a compile-
   time error will result */

class ExceptionDemo4
{
    public static void main(String args[ ])
    {
        int x,y,z;
        x = 15;
        y = 15;

        try
        {       // monitor a block of code.           
            z = 500/(x-y);         // Exception here
        }
        catch(Exception e)  
        {      
            System.out.println("\n Generic Exception catch....");           
        }
       
        /* This catch never reached because ArithmeticException
           is a subclass of Exception   */
       
        catch(ArithmeticException e)  
        {       // Error- unreachable
            System.out.println("This is never reached....");
        }

    }
}