public BinaryOut(String filename){
  try {
    OutputStream os=new FileOutputStream(filename);
    out=new BufferedOutputStream(os);
  }
 catch (  IOException e) {
    e.printStackTrace();
  }
}

public BinaryOut ( String filename ) { try { OutputStream os = new FileOutputStream ( filename ) ; out = new BufferedOutputStream ( os ) ; } catch ( IOException e ) { e . printStackTrace ( ) ; } }
initializes a binary output stream from a file .
