PBO-4.1-2 Circle-Main

/**
 * Input dan output dari program.
 * Menginput besar jari-jari dan warna lingkaran.
 * Output berupa kalimat yang berisi luas dan warna lingkaran.
 *
 * Benito Dannes
 */

import java.util.Scanner;

public class Main
{
    public static void main (String[] args)
    {
        String r;
        String color = "";
        int radius;

        Scanner s = new Scanner (System.in);
        System.out.print ("Enter circle's color : ");
        color = s.nextLine();
        System.out.print ("Enter radius of circle: ");
        r = s.nextLine();

        if (color.isEmpty())
        {
            if (r.isEmpty())
            {
                Circle c = new Circle();
                System.out.println (c.toString());
                System.out.printf ("The circle's area is %.2f and the circumference is %.2f", c.getArea(), c.getCircumference());
            }
            else
            {
                radius = Integer.parseInt(r);
                Circle c = new Circle(radius);
                System.out.println (c.toString());
                System.out.printf ("The circle's area is %.2f and the circumference is %.2f", c.getArea(), c.getCircumference());
            }
        }
        else
        {
            if (r.isEmpty())
            {
                System.out.println ("Jika warna diisi, panjang jari-jari lingkaran juga harus terisi");
            }
            else
            {
            radius = Integer.parseInt(r);
            Circle c = new Circle(radius, color);
            System.out.println (c.toString());
            System.out.printf ("The circle's area is %.2f and the circumference is %.2f", c.getArea(), c.getCircumference());
            }
        }
    }
}