ZCW-MetricConversions-BlueJ/ConversionTool.java

public class ConversionTool {

   public static void main(String[] args){}

   public static float CentimetersToInches(float centimeters){
        float inches = (float)(0.393701 * centimeters);
        if (inches < 0){
            return 0;
        } else{
            return inches;
        }
    }

   public static float InchesToCentimeters(float inches){
        float centimeters = (float) (inches * 2.54);
        if (centimeters < 0){
            return 0;
        } else{
            return centimeters;
        }
    }

   public static float FeetToMeters(float feet){
        float meters = (float)(feet * 0.3048);
        if (meters < 0){
            return 0;
        } else{
            return meters;
        }
    }

    public static float MetersToFeet(float meters){
        float feet = (float)(meters * 3.28084);
        if (feet < 0){
            return 0;
        } else{
            return feet;
        }
    }

    public static float CelsiusToFahrenheit(float celsius){
        float f = (int)(celsius * 9/5 + 32);
        return f;
    }

    public static float FahrenheitToCelsius(float fahrenheit){
        float c = (float) ((fahrenheit - 32) / 1.8);
        return c;
    }

    public static float MphToKph(float mph){
        float kph = (float)( mph * 1.60934);
        if (kph < 0){
            return 0;
        } else{
            return kph;
        }
    }

    public static float KphToMph(float kph){
        float mph = (float)(kph * 0.621371);
        if (mph < 0){
            return 0;
        } else{
            return mph;
        }
    }
}