File Writer

import java.io.*;

/**
 *
 * @author Sanket
 */
public class Main {
    public static void main(String[] args)throws IOException {
        File f=new File("D:\\sank.doc");
        f.createNewFile();

        FileWriter fw=new FileWriter(f,true);
        BufferedWriter bw=new BufferedWriter(fw);
        PrintWriter pw=new PrintWriter(bw,true);

        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        System.out.println("write here and to stop write 'thanx' : ");
        String str=br.readLine();

        while(!str.equals("thanx"))
        {
            pw.println(str);
            str=br.readLine();
        }
    }
}