import java.io.*;

public class TestTransForm1 {

  public static void main(String[] args) {

    try {

      OutputStreamWriter osw = new OutputStreamWriter(

           new FileOutputStream("d:\\bak\\char.txt"));

      osw.write("mircosoftibmsunapplehp");

      System.out.println(osw.getEncoding());

      osw.close();

      osw = new OutputStreamWriter(

                                      new FileOutputStream("d:\\bak\\char.txt", true),

                                      "ISO8859_1"); // latin-1

      osw.write("mircosoftibmsunapplehp");

      System.out.println(osw.getEncoding());

      osw.close();

    } catch (IOException e) {

      e.printStackTrace();

    }

  }

}

import java.io.*;

public class TestTransForm2 {

  public static void main(String args[]) {

    InputStreamReader isr =

            new InputStreamReader(System.in);

    BufferedReader br = new BufferedReader(isr);

    String s = null;

    try {

      s = br.readLine();

      while(s!=null){

        if(s.equalsIgnoreCase("exit")) break;

        System.out.println(s.toUpperCase());

        s = br.readLine();

      }

      br.close();

    } catch (IOException e) {

      e.printStackTrace();

    }

  }

}