Java End-of-file || Hackerrank Solution

 Java End-of-file:

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

Hint: Java's Scanner.hasNext() method is helpful for this problem.

Input Format

Read some unknown  lines of input from stdin(System.in) until you reach EOF; each line of input contains a non-empty String.

Output Format

For each line, print the line number, followed by a single space, and then the line content received as input.

Sample Input

Hello world
I am a file
Read me until end-of-file.

Sample Output

1 Hello world
2 I am a file
3 Read me until end-of-file.

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) {
        Scanner scan = new Scanner(System.in);
        int i=0;
        while(scan.hasNextLine()){
        String str=scan.nextLine();
            if (str.contains("end-of-file")){
                i++;
                System.out.println(i+" "+str);
                break;
            }else{
                i++;
                System.out.println(i+" " +str);       
            }
        }
    }
}

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