Tugas 2 PBO

Pada perkuliahan minggu ke-3 ini diajarkan mengenai class dan menghubungkannya antar class.
Berikut tugas Saya.

Main

 /**  
  * Write a description of class myMain here.  
  *  
  * @author (Ghannie Wijaya)  
  * @version (1.0)  
  */  
 public class myMain  
 {  
   public static void main(String args[])   
   {   
     //kubus  
     Kubus aKubus;   
    aKubus = new Kubus();   
    aKubus.x = 5.0;   
    double LP = aKubus.LuasPermukaan();   
    double V = aKubus.Volume();   
    System.out.println("KUBUS");   
    System.out.println("Sisi = "+aKubus.x);   
    System.out.println("Luas Permukaan = "+LP);   
    System.out.println("Volume = "+V);   
    System.out.println("==================================");   
    //balok  
    Balok aBalok;   
    aBalok = new Balok();   
    aBalok.x = 15.0;   
    aBalok.y = 5.0;   
    aBalok.z = 10.0;   
    LP = aBalok.LuasPermukaan();   
    V = aBalok.Volume();   
    System.out.println("BALOK");   
    System.out.println("Panjang = "+aBalok.x);   
    System.out.println("Lebar = "+aBalok.y);   
    System.out.println("Tinggi = "+aBalok.z);   
    System.out.println("Luas Permukaan = "+LP);   
    System.out.println("Volume = "+V);   
    System.out.println("==================================");   
    //tabung  
    Tabung aTabung;   
    aTabung = new Tabung();   
    aTabung.r = 10.0;   
    aTabung.x = 20.0;   
    LP = aTabung.LuasPermukaan();   
    V = aTabung.Volume();   
    System.out.println("TABUNG");   
    System.out.println("Radius = "+aTabung.r);   
    System.out.println("Tinggi = "+aTabung.x);   
    System.out.println("Luas Permukaan = "+LP);   
    System.out.println("Volume = "+V);   
    System.out.println("==================================");   
    //bola  
    Bola aBola;   
    aBola = new Bola();   
    aBola.r = 10.0;   
    LP = aBola.LuasPermukaan();   
    V = aBola.Volume();   
    System.out.println("BOLA");   
    System.out.println("Radius = "+aBola.r);   
    System.out.println("Luas Permukaan = "+LP);   
    System.out.println("Volume = "+V);   
   }   
 }  

Kubus 

 /**  
  * Write a description of class Kubus here.  
  *  
  * @author (Ghannie Wijaya)  
  * @version (1.0)  
  */  
 public class Kubus   
  {   
   public double x;   
   public double LuasPermukaan()   
   {   
    return 6*x*x;   
   }   
   public double Volume()   
   {   
    return x*x*x;   
   }   
  }   

Balok

 /**  
  * Write a description of class Balok here.  
  *  
  * @author (Ghannie Wijaya)  
  * @version (1.0)  
  */  
 public class Balok   
  {   
   public double x,y,z;    
   public double LuasPermukaan()   
   {   
    return 2*(x*y)+2*(y*z)+2*(x*z);   
   }   
   public double Volume()   
   {   
    return x*y*z;   
   }   
  }   

Tabung 

 /**  
  * Write a description of class Tabung here.  
  *  
  * @author (Ghannie Wijaya)  
  * @version (1.0)  
  */  
 public class Tabung   
  {   
   public double r;   
   public double x;   
   public double LuasPermukaan()   
   {   
    return 2*3.14*r*(r+x);   
   }   
   public double Volume()   
   {   
    return 3.14*r*r*x;   
   }   
  }   

Bola 

 /**  
  * Write a description of class Bola here.  
  *  
  * @author (Ghannie Wijaya)  
  * @version (1.0)  
  */  
  public class Bola   
  {   
   public double r;   
   public double LuasPermukaan()   
   {   
    return 4*3.14*r*r;   
   }   
   public double Volume()   
   {   
    // put your code here   
    return (4*3.14*r*r*r)/3;   
   }   
  }   

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