Termometro

import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JApplet;
import javax.swing.JOptionPane;
import javax.swing.JOptionPane.*;

public class Termometro extends JApplet {
public void init(){
}
public void paint(Graphics g){
g.drawRect(200, 50, 20, 100);
g.drawOval(20, 30, 50, 50);
g.drawOval(30, 80, 100, 100);
g.drawString("0ºC", 230, 150);
g.drawString("100ºC", 230, 50);
g.drawString("0ºC", 138,135);
g.drawString("50ºC", 3,135);
g.drawString("75ºC", 70,198);
String aux=JOptionPane.showInputDialog(null,"Ingrese valor de temperatura","Termometro",JOptionPane.DEFAULT_OPTION);
int temp = Integer.parseInt(aux);
double cir =(double)temp*3.6;
g.drawString("+" +temp+ "ºC", 230, 150-temp);
g.setColor(Color.BLUE);
if (temp>80){
g.setColor(Color.RED);
g.fillOval(20, 30, 50, 50);
g.fillRect(200, 50, 20, 100-temp);
g.drawString("Alerta", 30, 10);
}
g.fillOval(20, 30, 50, 50);
g.fillRect(200, 50, 20, 100-temp);
g.fillArc(30, 80, 100, 100,0,(int)(cir));
}
}