/* * Just a main program for testing our objects */ class Tester { // The main program public static void main (String args[]) { /* * Data definitions */ Rect r1, r2; Circle c1; /* * Instantiate and initialize the objects * (could have done in defs above) */ r1 = new Rect (10, 10, 50, 50); r2 = new Rect (80, 10, 10, 100); c1 = new Circle (35, 90, 10); /* * "Draw" them */ r1.draw(); r2.draw(); c1.draw(); /* * Compute and print total area */ System.out.println ("Total area = " + (r1.area() + r2.area() + c1.area())); } }