TUGAS 2 PBO B

#KUBUS

/**
 * Write a description of class kubus here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
class kubus
{
    public double s;
    
    public double sisi_kubus()
    {
        return s*s*6;
    }
    
    public double volume_kubus()
    {
        return s*s*s;
    }
    
}

#BALOK

/**
 * Write a description of class balok here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
class balok
{
    public double p,l,t;
    
    public double volume_balok()
    {
        return p*l*t;
    }
    
    public double luas_balok()
    {
        return 2*p*l*t+2*p*l*t+2*p*l*t;
    }
}

#TABUNG

/**
 * Write a description of class tabung here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
class tabung
{
    public double r,t;
    
    public double volume_tabung()
    {
        return 3.14*r*r*t;
    }
    
    public double luas_tabung()
    {
        return (0.5*3.14*r*r*t)+2*(3.14*r*r);
    }
}

#BOLA

/**
 * Write a description of class bola here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
class bola
{
    public double r;
    
    public double volume_bola()
    {
        return (4/3)*3.14*r*r*r;
    }
    
    public double luas_bola()
    {
        return 4*3.14*r*r;
    }
    
}

#MAIN

/**
 * Write a description of class main here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
class main
{
    public static void main(String args[])
    {
        kubus akubus;
        balok abalok;
        tabung atabung;
        bola abola;
        
        //
        akubus = new kubus();
        abalok = new balok();
        atabung = new tabung();
        abola = new bola();
        // nilai 
        akubus.s=10;
        
        abalok.p=10;
        abalok.l=5;
        abalok.t=15;
        
        atabung.r=4;
        atabung.t=20;
        
        abola.r=3;
        
        // method
        // balok
        double lpk = akubus.sisi_kubus();
        double volk = akubus.volume_kubus();
        System.out.println("sisi="+akubus.s+"luas permukaan kubus="+lpk);
        System.out.println("sisi="+akubus.s+"volume kubus="+volk);
        System.out.println(" ");
        //balok
        double lpb = abalok.luas_balok();
        double volb = abalok.volume_balok();
        System.out.println("panjang="+abalok.p+"luas="+abalok.l+"tinggi="+abalok.t+"luas permukaan balok="+lpb);
        System.out.println("panjang="+abalok.p+"luas="+abalok.l+"tinggi="+abalok.t+"volume balok="+volb);
        System.out.println(" ");
        //tabung
        double lptb = atabung.luas_tabung();
        double voltb = atabung.volume_tabung();
        System.out.println("jari jari="+atabung.r+"tinggi="+abalok.t+"luas permukaan tabung="+lptb);
        System.out.println("jari jari="+atabung.r+"tinggi="+abalok.t+"volume tabung="+voltb);
        System.out.println(" ");
        //bola
        double lpbol = abola.luas_bola();
        double volbol = abola.volume_bola();
        System.out.println("jari jari="+abola.r+"luas permukaan bola="+lpbol);
        System.out.println("jari jari="+abola.r+"volume bola="+volbol);
        System.out.println(" ");
    }
}