nested_function_lingkaran

class nestedFunc {
    public static void main(String[] args) {
        nestedFunc bola = new nestedFunc();
        bola.permukaan(14);
        bola.volume(14);


    }
    public void permukaan(double r){
        System.out.println("Lingkaran");
        double p =4 * (( 22 / 7) * r * r );
        System.out.println("Permukaan: " + p);
    }

    public void volume(double r){
        double v = 4/3 * ((22/7) * r * r * r);
        System.out.println("Volume: " + v);
    }


}