public class Temperature {
	private double celsiusTemp;
	// we will see soon a better way to define KELVIN_CONST
	private double KELVIN_CONST = 273.15;
	
	public Temperature(double celsiusTempIn){
		celsiusTemp = celsiusTempIn;
	}
	
	public double celsius() {
		return celsiusTemp;
	}
	
	public double fahrenheit() {	
		double fahr = ((1.8 * celsiusTemp) + 32);
		
		return fahr;
	}
	
	public double kelvin() {
		double kel = (celsiusTemp + KELVIN_CONST);
		
		return kel;
	}
	
	public static void main(String[] args) {
		Temperature chicago = new Temperature(0);
		
		System.out.println(chicago.fahrenheit());
		System.out.println(chicago.kelvin());
		System.out.println(chicago.celsius());
	}
}