question: public Collection < String > listColumns ( String table ) throws DatabaseException { Collection < String > result = new ArrayList < String > ( ) ; ResultSet rs = null ; try { DatabaseMetaData dbm = connection . getMetaData ( ) ; rs = dbm . getColumns ( null , null , table , null ) ; while ( rs . next ( ) ) { result . add ( rs . getString ( "COLUMN_NAME" ) ) ; } } catch ( SQLException e ) { throw new DatabaseException ( e ) ; } finally { if ( rs != null ) { try { rs . close ( ) ; } catch ( SQLException e ) { } } } return result ; }
target:  Get a list of all of the columns on a table.