Java Program to find the largest digit of a number

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In this program, You will learn how to find the largest digit of a number in java.

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12321 => 3

24561 => 6

Example: How to find the largest digit of a number in java.

import java.util.Scanner;

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

        int r, n, ld = 0;

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

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

        System.out.println("Largest digit:" + ld);

    }
}

Output:

Enter a number:3421
Largest digit:4