import java.io.*;

public class WriteBinFile {
   public static void main(String[] argv) throws IOException {
       
      FileOutputStream outputFile = new FileOutputStream(argv[0]);
      DataOutputStream dos = new DataOutputStream(outputFile);
      
      // Here I do not check if the file already exist....but you should..

      dos.writeInt(23);
      dos.writeInt(100);
      dos.writeUTF("Welcome to Guelph-Humber");
      dos.writeChar('c');
      dos.writeDouble(13.9);
      dos.writeUTF("Bye bye");
      dos.close();
   }
}