public String toString(){
  final StringBuffer s=new StringBuffer();
  final int size=size();
  for (int i=0; i < size; i++)   s.append(getInt(i));
  return s.toString();
}

public String toString ( ) { final StringBuffer s = new StringBuffer ( ) ; final int size = size ( ) ; for ( int i = 0 ; i < size ; i ++ ) s . append ( getInt ( i ) ) ; return s . toString ( ) ; }
returns a string representation of this vector . < p > note that this string representation shows the bit of index 0 at the leftmost position .
