2.10.6: Circle Area

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()
    {
      Double Area = Math.PI * Math.pow(radius, 2);
      return Area;
    }

    // Implement getCircumference using
    // Math.PI
    // Circumference = 2 * PI * r
    public double getCircumference()
    {
    double Circumference = 2 * Math.PI * radius;
       return Circumference;
    }

}