protected String toStringCharChar(char[][] names){
  StringBuffer result=new StringBuffer();
  for (int i=0; i < names.length; i++) {
    result.append(toStringChar(names[i]));
  }
  return result.toString();
}

protected String toStringCharChar ( char [ ] [ ] names ) { StringBuffer result = new StringBuffer ( ) ; for ( int i = 0 ; i < names . length ; i ++ ) { result . append ( toStringChar ( names [ i ] ) ) ; } return result . toString ( ) ; }
returns a printable string for the array .
