HackerRank Java- End-of-file

The challenge here is to read n lines of input until you reach EOF, then number and print all n lines of content.

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int i = 1;
        while (scan.hasNextLine()) { 
            System.out.println(i + " " + scan.nextLine());
            i++;
        }
        scan.close();
    }
}