Termometro

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

import java.awt.*;

public class MedidorGrad extends JApplet{
public void Int(){

}
public void paint(Graphics g){
g.drawRect(200, 50, 20, 100);
g.drawOval(20, 30, 50, 50);
g.drawString("-10c ", 230, 150);
g.drawString("+100c ", 230, 50);
String aux = JOptionPane.showInputDialog(null, "INGRESE EL VALOR","TITULO",JOptionPane.CANCEL_OPTION);
int temp = Integer.parseInt(aux);
g.drawString("+"+temp+" C",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);

}
}