Java Program to find largest digit of a number


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


12321 => 3

24561 => 6


Example: How to find largest 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, 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("\nThe Largest Digit is :" + ld);

    }
}

Output:

Enter a Number :1987
The Largest Digit is :9