Tugas PBO-B (BANGUN RUANG)

Main

public class Main
{
    public static void main()
    {
        kubus akubus;
        akubus = new kubus();
        akubus.s = 5;
        double luas_kubus = akubus.area();
        double volume_kubus = akubus.circumference();
        System.out.println("sisi kubus = "+akubus.s);
        System.out.println("volume kubus = "+volume_kubus+" luas kubus = "+luas_kubus);
        System.out.println(" ");
        
        balok abalok;
        abalok = new balok();
        abalok.p = 10;
        abalok.l = 5;
        abalok.t = 7;
        double luas_balok = abalok.area();
        double volume_balok = abalok.circumference();
        System.out.println("panjang balok = "+abalok.p+" lebar balok = "+abalok.l+" tinggi balok = "+abalok.t);
        System.out.println("volume kubus = "+volume_balok+" luas kubus = "+luas_balok);
        System.out.println(" ");
        
        tabung atabung;
        atabung = new tabung();
        atabung.t = 15;
        atabung.r = 10;
        double luas_tabung = atabung.area();
        double volume_tabung = atabung.circumference();
        System.out.println("tinggi tabung = "+atabung.t+" jari jari tabung = "+atabung.r);
        System.out.println("volume tabung = "+volume_tabung+" luas tabung = "+luas_tabung);
        System.out.println(" ");
        
        bola abola;
        abola = new bola();
        abola.r = 8;
        double luas_bola = abola.area();
        double volume_bola = abola.circumference();
        System.out.println("jari jari bola = "+abola.r);
        System.out.println("volume bola = "+volume_bola+" luas bola = "+luas_bola);
        System.out.println(" ");
    }
}

Class Kubus

public class kubus
{
      public double s;
      
      public double circumference(){
          return s*s*s;
        }
      public double area(){
          return s*s*6;
        }
}

Class Balok

public class balok
{
    public double p, l, t;
    
    public double circumference(){
          return p*l*t;
        }
      public double area(){
          return 2*(p*l)+2*(l*t)+2*(p*t);
        }
}

Class Tabung

public class tabung
{
    public double t, r;
    
    public double circumference(){
          return t*r*r*3.14;
        }
    public double area(){
          return 2*3.14*r*(r+t);
        }
}

Class Bola

public class bola
{
    public double r;
    
    public double circumference(){
          return 1.33*3.14*r*r*r;
        }
    public double area(){
          return 4*3.14*r*r;
        }
}

Gambar