import javax.swing.JOptionPane; import java.io.*; import java.util.*; public class DriceFartoCels { /** * Method main * * * @param args * */ public static void main(String[] args) throws FileNotFoundException { String FarString, Outputstr; double Far, Cels, Result, txt, Result2; FarString = JOptionPane.showInputDialog("Enter Your Fahrenheit:"); Far = Double.parseDouble(FarString); Scanner inFile = new Scanner(new FileReader("infile.txt")); txt = inFile.nextDouble(); Cels = (5.0/9)*(Far - 32); Result = Cels; Result2 = (5.0/9)*(txt - 32); Outputstr = "your f-c is:" + String.format("%.2f", Result); JOptionPane.showMessageDialog(null, Outputstr); System.out.printf("%.2f", Result); System.out.printf("\nText File Far Is:" + "%.2f", Result2); PrintWriter outFile = new PrintWriter("Results.txt"); outFile.println(Result); outFile.close(); } }