import java.io.*;

class WriteData
{
   public static void main(String args[])
   {
      try
      {
         DataOutputStream dataOut = new DataOutputStream(new FileOutputStream("c:\\data.txt"));
         dataOut.writeInt(100);
         dataOut.writeChar('\n');
         dataOut.writeDouble(9.8);
         dataOut.writeChar('\n');
         dataOut.writeUTF("Bert Wachsmuth");
         dataOut.close();
      }
      catch(IOException e)
   {
         System.out.println("Problem creating file");
}

WriteData;