package com.company;

/**
 * Konwerter prędkości.
 */
class VelocityConverter {

    private static final double KMH_PER_MILE = 1.6;

    public double convertToKmh(double miles) {
        return miles * KMH_PER_MILE;
    }
}

public class Main {
    public static void main(String[] args) {
        VelocityConverter converter = new VelocityConverter();

        System.out.println(converter.convertToKmh(1.0));
    }
}