public String getColumnNames ( ) { StringBuffer sb = new StringBuffer ( ) ; int lvSize = columnNames . size ( ) ; for ( int i = 0 ; i < lvSize ; i ++ ) { sb . append ( columnNames . get ( i ) ) ; if ( i < ( lvSize - 1 ) ) { sb . append ( getDelimiter ( ) ) ; } } return sb . toString ( ) ; }
Get all column - names as String separated with a selected delimiter .