SubtractTheProductAndSumOfDigitsOfAnInteger.java

public class SubtractTheProductAndSumOfDigitsOfAnInteger {
    public int subtractProductAndSum(int n) {
        int product= 1, sum = 0, digit;
        while (n > 0) {
            digit = n % 10;
            product *= digit;
            sum += digit;
            n /= 10;
        }
        return product - sum;
    }
}