import java.io.*;

public class KtoD {

    public static void main(String[] args) {
        String str;
        BufferedReader br =
                new BufferedReader(
                        new InputStreamReader(System.in));
        System.out.println("Enter text ('stop' to quit).");

        try (FileWriter fw = new FileWriter("test.txt"))
        {
            do {
                System.out.print(": ");
                str = br.readLine();

                if(str.compareTo("stop") == 0) break;

                str = str + "\r\n"; // add newline
                fw.write(str);
            } while(str.compareTo("stop") != 0);
        } catch(IOException exc) {
            System.out.println("I/O Error: " + exc);
        }
    }
}