WAP to find the largest of n natural numbers

Software Lab based on Java

WAP to find the largest of n natural numbers

package com.kapish;

import java.util.Scanner;
import java.lang.Math;
public class Main {

    public static void main(String[] args) {
   // WAP to find the largest of n natural numbers
        Scanner sc= new Scanner(System.in); //System.in is a standard input stream.
        System.out.print("Enter first number- ");
        int a = sc.nextInt();

        // now we will do (10^(a+1))-1

        double t = 10;
        double out = Math.pow(t,a)-1;
        System.out.println("Biggest "+a+"Digit number is "+out);

    }
}