Question

How to recursively count the digits of a number in Java

Answer 1

public class MyClass {
    static int counter = 0;
    public static int count_digits(int n) {
        if (n != 0) {
            counter++;
            count_digits(n/10);
        }
     
        return counter;
    }
    
    public static void main(String args[]) {
        int n = 483259;

        System.out.println(count_digits(n));
    }
}



/*
run:

6

*/

 

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