Farenheit to Celsius...

Question

Hello!
I am trying to make a program that translats Farenheit to Celsius....
BTW, is the textio.java invluden in java.awt ?
Thanks in advance.
Klas
import java.lang.Math;
import java.awt.*;
public class Uppg2_4{
     public static void main(String args[])
          double C;
          double F;
          System.out.print("F?:");
F = TextIO.getdouble();
          C = ((5/9) * (F-32));
          System.out.println(C);
Error msg:
E:\Program\Xinox Software\JCreator LE\MyProjects\uppg2\Uppg2_4.java:13: cannot resolve symbol
symbol : variable TextIO
location: class Uppg2_4
F = TextIO.getdouble();

Answer 1

Hello again!
Rookie programmer, yes I am....*lol*
Anyway, I am almost finished now, but it always gives me the answer "0.0" Celsius whatever Farenheit I do putin, in the inbox. ;-(
Thanks in advance again.
Klas
import java.awt.*;
import javax.swing.*;
public class Uppg2_4{
     public static void main(String args[])
          double C;
     String inmatning1;
     double intal1;
     inmatning1=JOptionPane.showInputDialog("F:");
     intal1 = Integer.parseInt(inmatning1);
          C = ((5/9) * (intal1-32));
          C = Math.round(2 );
          System.out.println(C);