[LeetCode] 1342. Number of Steps to Reduce a Number to Zero (Java)

https://leetcode.com/problems/number-of-steps-to-reduce-a-number-to-zero/

Solution

class Solution {
    static int numberOfSteps(int num) {
        if (num == 0) {
            return 0;
        }

        int answer = 0;
        do {
            if (num % 2 == 0) { // Even
                num = num / 2;
            } else { // Odd
                num = num - 1;
            }
            answer++;
        } while (num != 0);

        return answer;
    }

    public static void main(String[] args) {
        System.out.println(numberOfSteps(14));
        System.out.println(numberOfSteps(8));
        System.out.println(numberOfSteps(123));
        System.out.print(numberOfSteps(0));
    }
}