WAP to Find the Maximum and Minimum Digit given by the user

import java.util.*;
class smalldigitmaxdigit
{
    public static void main(String args[])
    {
        int a,n,d,min,max;
        Scanner sc=new Scanner(System.in);
        System.out.println("Enter the no");
        n=sc.nextInt();
        min=max=n%10;
        while(n!=0)
        {
           
            d=n%10;
            if(d>max)
            {
                max=d;
                //System.out.println("Maximum="+max);
            }
            else if(d<min)
            {
                min=d;
                //System.out.println("Minimum="+min);
            }
            n=n/10;
        }
        System.out.println("Maximum="+max);
        System.out.println("Minimum="+min);
    }
}

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