Stuff

import java.io.*;
class TestFile
{
  public static void main(String[] argv) throws IOException
  {
 
FileOutputStream fileTest = new    FileOutputStream("binaire.bin");
 BufferedOutputStream bufferTest = new BufferedOutputStream(fileTest); 
 DataOutputStream dataTest = new DataOutputStream(bufferTest);
      
    dataTest.writeUTF("bonjour");
    dataTest.writeInt(3);
    dataTest.writeLong(100000);
    dataTest.writeFloat((float)2.0);
    dataTest.writeDouble(3.5);
    dataTest.writeChar('a');
    dataTest.writeBoolean(false); 
    dataTest.writeUTF("au revoir");
    System.out.println(dataTest.size());
    dataTest.close();
  }
}