public static void main(String[] args) {
        System.out.println(reachNumber(2));
        System.out.println(reachNumber(8));
        System.out.println(reachNumber(11));
        System.out.println(reachNumber(50));
        System.out.println(reachNumber(-1000000000));
    }
Why Did you create this class? what does it do?
src/problems/medium/ReachANumber.java