/**
 * Conversion between temperatures in Celcius, Fahrenheit and Kelvin
 * Uses conversion forumulas from the wikipedia:
 * http://en.wikipedia.org/wiki/Temperature_conversion_formulas
 * User: Elaine
 * Date: 27-Dec-2005
 */
public class Converter {
    public Converter()
    {

    }

    // Method to convert from degrees Celcius to degrees Fahrenheit
    public static float celciusToFahrenheit(float degCelcius)
    {
        float degFahrenheit;
        degFahrenheit = degCelcius * 9/5 + 32;
        return degFahrenheit;
    }

    // Method to convert from degrees Fahrenheit to degrees Celcius
    public static float fahrenheitToCelcius(float degFahrenheit)
    {
        float degCelcius;
        degCelcius =  (degFahrenheit - 32) * 5/9;
        return degCelcius;
    }

    // Method to convert from degrees Celcius to degrees Kelvin
    public static float celciusToKelvin(float degCelcius)
    {
        float degKelvin;
        degKelvin = degCelcius + 273.15f;
        return degKelvin;
    }

    // Method to convert from degrees Kelvin to degrees Celcius
     public static float kelvinToCelcius(float degKelvin)
    {
        float degCelcius;
        degCelcius = degKelvin - 273.15f;
        return degCelcius;
    }

    // Main method demonstrating usage of above methods
    public static void main(String[] args)
    {
        System.out.print("100 degrees Celcius in Fahrenheit is: ");
        System.out.println(celciusToFahrenheit(100));

        System.out.print("-40 degrees Fahrenheit in Celcius is: ");
        System.out.println(fahrenheitToCelcius(-40));

        System.out.print("0 degrees Celcius in Kelvin is: ");
        System.out.println(celciusToKelvin(0));

        // to convert from Kelvin to Fahrenheit, combine two methods:
        System.out.print("373.15 degrees Kelvin in Fahrenheit is: ");
        System.out.println( celciusToFahrenheit( kelvinToCelcius(373.15f) ) );
    }
}