1 public class CircleTest { 2 3 public static void main(String[] args) { 4 5 // Variables: 6 double r1 = 1, r2 = 1/(2*Math.PI); // radii 7 double circumference, area, radius; 8 9 // Two circles: 10 Circle circle1, circle2; 11 12 // Test 1: 13 circle1 = new Circle(r1); 14 circumference = circle1.circumference(); 15 area = circle1.area(); 16 radius = circle1.getRadius(); 17 System.out.print("Circle 1: radius = " + radius); 18 System.out.print(", circumference = " + circumference); 19 System.out.println(", area = " + area); 20 21 // Test 2: 22 circle2 = new Circle(); circle2.setRadius(r2); 23 circumference = circle2.circumference(); 24 area = circle2.area(); 25 radius = circle2.getRadius(); 26 System.out.print("Circle 2: radius = " + radius); 27 System.out.print(", circumference = " + circumference); 28 System.out.println(", area = " + area); 29 30 } 31 32 }