//TextFileOutputDemo.java

import java.io.PrintWriter;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class TextFileOutputDemo
{
    public static void main(String[] args)
    {
        //For simplicity we "hard-wire" the name of the file,
        //but you could have the user enter it from the keyboard.
        String fileName = "out.txt";
        PrintWriter outputStream = null; //Do we have to declare this here?
        try
        {
            outputStream = new PrintWriter(fileName);
        }
        catch(FileNotFoundException e)
        {
            System.out.println("Error opening the file " + fileName + ".");
            System.exit(0);
        }
        System.out.println("Enter three lines of text:");
        Scanner keyboard = new Scanner(System.in);
        for (int count = 1; count <= 3; count++)
        {
            String line = keyboard.nextLine( );
            outputStream.println(count + " " + line);
        }
        outputStream.close( );
        System.out.println("Those lines were written to " + fileName +".");
    }
}