Answer to Question #309527 in Java | JSP | JSF for Kyle

Question

Write a Java program that reads a positive integer and counts the number of digits the number has.

e.g. Input is 14367, Output is 5.

Answer 1

public void isPositive(int num) {
    if (num == 0){
        System.out.println(1);
    } else if (num > 0){
        int count = 0;
        while (num > 0) {
            count++;
            num /= 10;
        }
        System.out.println(count);
    } else {
        System.out.println("The number should be positive.");
    }
}