import java.util.Scanner;

/* Java application that converts a particular Fahrenheit temperature 
** (provided by the user as an input via the keyboard) to its equivalent
** on the Celsius scale.  (This improves the previous version, in which
** the Fahrenheit temperature was "hard-coded" into the program.)
**
** Author: R. McCloskey
** Date: Mar. 2015
*/

public class FahToCel2 {

   public static void main(String[] args) {

      // Create a new Scanner object that can read input from the keyboard.
      Scanner keyboard = new Scanner(System.in);

      // Prompt user to enter a Fahrenheit temp.; then read the response
      System.out.print("Enter Fahrenheit temperature: ");
      double fahTemp = keyboard.nextDouble();

      double celTemp = fahToCel(fahTemp);

      System.out.println(fahTemp + "F = " + celTemp + "C");
   }


   /* Returns the Celsius equivalent of the given Fahrenheit temperature (f).
   */
   private static double fahToCel(double f) {
      return (5.0 / 9.0) * (f - 32);
   }

}