import java.io.*;

class Test {

    public static void main(String[] args) {

        FileWriter fw = null;

        BufferedWriter bw = null;

        String con = "tinyphp";

        try {

            fw = new FileWriter("e://d/add.txt", true);　　　　　　//加true

            bw = new BufferedWriter(fw);

            bw.write(con);

        } catch (Exception e) {

            System.out.println(e);

        } finally {

            try {

                bw.close();

                fw.close();

            } catch (Exception e) {

                System.out.println(e);

            }

        }

    }

}