HackerRank Java End-of-file problem solution

In this HackerRank Java End-of-file in the java programming language you need to read n lines of input until you reach EOF, then number and print all n lines of content.

HackerRank Java End-of-file problem solution.

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) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
        Scanner scan = new Scanner(System.in);
   int i = 0;
        while(scan.hasNext()){
       i++;
       System.out.println(i + " " + scan.nextLine());
   }
    }
}

Second solution in java8 programming.

import java.io.*;
import java.util.*;

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

import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
		try (Scanner scanner = new Scanner(System.in)) {
			int i = 1;
			while (scanner.hasNextLine()) {
				System.out.println(String.format("%d %s", i++, scanner.nextLine()));
			}
		}
    }
}