VolumenCono.java

/**
 * @file VolumenCono.java
 * @version 0.0.1
 * @author Ariel Carraro
 * @date   26-enero-2013
 * @url
 * @description Programa que calcula el volumen de un cono
 */


import javax.swing.JOptionPane;
import javax.swing.*;

public class VolumenCono{

    public static void main(String[] args) {
         try{
         double radio=Double.parseDouble(JOptionPane.showInputDialog("Introduce radio:"));
         double altura=Double.parseDouble(JOptionPane.showInputDialog("Introduce altura:"));
         JOptionPane.showMessageDialog(null,"Volumen obtenido\n"+String.valueOf(volumen(radio,altura)),"Aviso", JOptionPane.PLAIN_MESSAGE,new ImageIcon("imagen.jpg"));
         System.exit(0);
         }
         catch(Exception ex){
            JOptionPane.showMessageDialog(null,ex.getCause().toString(),"Aviso", JOptionPane.ERROR_MESSAGE,new ImageIcon("imagen.jpg"));
         }
    }

    public static double volumen(double r,double h){
        return (Math.PI*(r*r)*h)/3;
    }
}