Java Program to find smallest digit of a number


In this program, You will learn how to find smallest digit of a number in Java.


12321 => 1

24568 => 2


Example: How to find smallest digit of a number in Java

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import java.util.Scanner;

class Main {
    public static void main(String args[]) {

        int r, n, sm = 9;

        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a Number :");
        n = sc.nextInt();

        while (n > 0) {
            r = n % 10;
            if (sm > r) {
                sm = r;
            }
            n = n / 10;
        }

        System.out.println("\nThe Smallest Digit is :" + sm);

    }
}

Output:

Enter a Number :9817
The Smallest Digit is :1