public Attr(String name,byte[][] value){
  _name=name.toLowerCase();
  _byteValues=new ArrayList<>(1);
  int size=value.length;
  for (int i=0; i < size; i++) {
    _byteValues.add(value[i]);
  }
}

public Attr ( String name , byte [ ] [ ] value ) { _name = name . toLowerCase ( ) ; _byteValues = new ArrayList < > ( 1 ) ; int size = value . length ; for ( int i = 0 ; i < size ; i ++ ) { _byteValues . add ( value [ i ] ) ; } }
constructs an attribute value pair with array of byte array .
