Tutors

#Driver code

If you run this code, you will see that the results are the same in both cases. Examine this code and ensure that you understand it.


public class Driver {

        public static void main(String args[]) {
                //Using less modern  validation techniques
                SpotWithValidation1 spot1 = new SpotWithValidation1(10, 1000, "Older Method of Validation"); //note this description is too long
                System.out.println("Calling print on constructed spot - should be defaulted ");
                System.out.println(spot1.toString());
                System.out.println("Trying setter with invalid value (-200)");
                spot1.setX(-200);
                System.out.println("Calling print  - x value should not have changed");
                System.out.println(spot1);

                // Now use the new validation technique. We will use this form of validation during this module.
                SpotWithValidation2 spot2 = new SpotWithValidation2(10, 1000, "More Modern Method ");
                System.out.println("Calling print on constructed spot - should be defaulted ");
                System.out.println(spot2.toString());
                System.out.println("Trying setter with invalid value (-200)");
                spot2.setX(-200);
                System.out.println("Calling print  - x value should not have changed");
                System.out.println(spot2);
    }
}

Lab-99a

Labs

Course Contents

Course Info

Lab-99a