1:
2: /**
3: Class with static methods to perform calculations on circles.
4: */
5: public class Circle
6: {
7: public static double area(double radius)
8: {
9: return (Math.PI*radius*radius);
10: }
11: public static double circumference(double radius)
12: {
13: return (Math.PI*(radius + radius));
14: }
15: }