// CSE 143, Winter 2010, Marty Stepp
// This program uses recursion to print the lines of a file in reverse order.

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

public class ReverseFile {
    public static void main(String[] args) throws FileNotFoundException {
        Scanner input = new Scanner(new File("poem.txt"));
        reverseLines(input);
    }
    
    // Prints the lines of the given input file in reverse order, recursively.
    public static void reverseLines(Scanner input) {
        String line = input.nextLine();  // line 1 of 4
        if (!input.hasNextLine()) {
            // base case
            System.out.println(line);
        } else {
            // recursive case
            reverseLines(input);
            System.out.println(line);
        }
    }
}