Exercise 2.10.6: Circle Area
Here is a Circle class.
Implement getArea and getCircumference by using methods from the Math class
————————————————————————————————————————————————————————
public class CircleTester
{
public static void main(String[] args)
{
Circle cup = new Circle(5);
System.out.println("Area of a circle with radius 5: " + cup.getArea());
System.out.println("Circumference of a circle with radius 5: " + cup.getCircumference());
Circle hat = new Circle(12);
System.out.println("nArea of a circle with radius 12: " + hat.getArea());
System.out.println("Circumference of a circle with radius 12: " + hat.getCircumference());
}
}
public class Circle
{
private double radius;
public Circle(double theRadius)
{
radius = theRadius;
}
// Implement getArea using
// Math.PI and
// Math.pow
// Area = pi * r^2
public double getArea()
{
}
// Implement getCircumference using
// Math.PI
// Circumference = 2 * PI * r
public double getCircumference()
{
}
}