Objek Tabung / 2012420033

import javax.swing.JOptionPane;

public class lingkaran {
    public double pi=3.14, kell, vol;
    public float luas;
    public int r, t;
    String alas;

    public void hitung (double Temp){
        kell=2*pi*r;
    }
    public void hitung (float Temp, double volume){
        luas=(float) (pi*(r*r));
        vol=luas*t;
    }
    public void hitung (){
        System.out.println("Keliling Alas: "+kell);
        System.out.println("Luas Alas: "+luas);
        System.out.println("Volume Tabung: "+vol);
    }

public int getr(){
        return r;
    }
    public void setr(int temp){
        r=temp;
    }
    public int gett(){
        return t;
    }
    public void sett(int temp){
        t=temp;
    }
    public double getkell(){
        return kell;
    }
    public void setkell(double temp){
        kell=temp;
    }
    public float getluas(){
        return luas;
    }
    public void setluas(float temp){
        luas=temp;
    }
    public double getvol(){
        return vol;
    }
    public void setvol(double temp){
        vol=temp;
    }
    public static void main(String[] args) {
        // TODO code application logic here
       lingkaran x=new lingkaran();
   x.setr(Integer.parseInt(JOptionPane.showInputDialog(null,"jari-jari alas: ")));
       x.sett(Integer.parseInt(JOptionPane.showInputDialog(null,"tinggi tabung: ")));
       x.hitung(x.getkell());
       x.hitung(x.getluas(),x.getvol());
       x.hitung();