Just Java™ 2

Exercises

1. Write down an explanation of how a class, object, and method are related.

2. A rectangle can be defined by the length of two adjacent sides. Write a class that holds these two pieces of integer data, and provides useful rectangle-related operations, like calculating the area, updating the side data, and calculating the combined area of two rectangles. You'll write a method with a signature like this:

   int combinedArea(secondRect sr) // the first rect is "this" of course

3. Rewrite the ClockView class (only) so the clock displays the time in Roman numerals. The Roman numerals from 1 to 12 are I, II, III, IV, V, VI, VII, VIII, IX, X, XI, and XII.

4. Rewrite the ClockView class so it uses the 12-hour clock and also displays AM or PM ...