1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:

class Sphere {

    private int x;

    private int y;

    private int z;

    private double radius;

    public Sphere(int x, int y, int z, double r){
        this.x = x;
        this.y = y;
        this.z = z;
        this.radius = r;
    }

    public int getX(){
        return x;
    }

    public int getY(){
        return y;
    }

    public int getZ(){
        return z;
    }

    double getRadius(){
        return radius;
    }

    double calculateDiameter(){
        return 2 * radius;
    }

    double calculateSurfaceArea(){
        return 4 * Math.PI * Math.pow(radius, 2);
    }

    double calculateVolume(){
        return 4 / (float)3 * Math.PI * Math.pow(radius, 3);
    }

    public static void main(String[] args){
        Sphere s = new Sphere(0, 0, 0, 7);

        System.out.println(s.calculateDiameter());
        System.out.println(s.calculateSurfaceArea());
        System.out.println(s.calculateVolume());
    }
}

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:

package sphere;

class Main {

    public static void main(String[] args){
        Sphere s = new Sphere(0, 0, 0, 7);

        System.out.println(s.calculateDiameter());
        System.out.println(s.calculateSurfaceArea());
        System.out.println(s.calculateVolume());
    }
}