ZCW-MetricConversions-BlueJ/ConversionTool.java

import java.lang.Math;
public class ConversionTool {

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

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

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

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

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

    public static float MphToKph(float mph){
    if (mph < 0){
            return 0;}
        else{    
        float answer = mph * 1.60934f;
        return answer;}
    }
    
    public static float KphToMph(float kph){
    if (kph < 0){
            return 0;}
        else{    
        float answer = kph * 0.621371f;
        return answer;}
    }
    
    public static float CelsiusToFahrenheit(float celsius){
    float answer = (celsius * 1.8f)+32;
        return answer;
    }
    
    public static float FahrenheitToCelsius(float fahrenheit){
    float answer = (fahrenheit-32)/1.8f;
    return answer;
    }
}