PartB.java

import java.text.DecimalFormat;
import java.util.Scanner;

public class PartB {

    public static void main(String[] args) {
        double radius;
        Scanner userInput = new Scanner(System.in);

        DecimalFormat df = new DecimalFormat("#.000");

        System.out.println("Input the radius: ");
        radius = userInput.nextDouble();

        System.out.println("The Circumference of the Circle is: "
                + df.format(calculateCircumference(radius)));
        System.out.println("The Diameter of the Circle is: "
                + df.format(calculateDiameter(radius)));
        System.out.println("The Area of the Circle is: "
                + df.format(calculateCircleArea(radius)));
        System.out.println("The Volume of the Sphere is: "
                + df.format(calculateVolumeSphere(radius)));
    }

    public static double calculateCircumference(double radius) {
        double result;

        result = 2 * Math.PI * radius;
        return result;
    }

    public static double calculateDiameter(double radius) {
        double result;

        result = radius * 2;
        return result;
    }

    public static double calculateCircleArea(double radius) {
        double result;

        result = Math.PI * Math.pow(radius, 2);
        return result;
    }

    public static double calculateVolumeSphere(double radius) {
        double result;

        result = (4.0 / 3.0) * Math.PI * Math.pow(radius, 3);
        return result;
    }

}