@Override public String toStringKey(){
  String result;
  int i;
  result="Key:\n";
  for (i=0; i < getColCount(); i++) {
    if (getColHidden(i)) {
      continue;
    }
    result+=LEFT_PARENTHESES + (i + 1) + RIGHT_PARENTHESES+ " "+ removeFilterName(m_ColNames[i])+ "\n";
  }
  return result;
}

@ Override public String toStringKey ( ) { String result ; int i ; result = "Key:\n" ; for ( i = 0 ; i < getColCount ( ) ; i ++ ) { if ( getColHidden ( i ) ) { continue ; } result += LEFT_PARENTHESES + ( i + 1 ) + RIGHT_PARENTHESES + " " + removeFilterName ( m_ColNames [ i ] ) + "\n" ; } return result ; }
returns returns a key for all the col names , for better readability if the names got cut off .
