question: makes the specified adjustable track if the view area expands and the specified adjustable is located near the of the view . concode_field_sep PlaceHolder placeHolder concode_field_sep boolean contains concode_elem_sep void moveAdjustable concode_elem_sep void selectRow concode_elem_sep void selectRow concode_elem_sep void makeVerticalScrollBarTrack concode_elem_sep void repaintLater
target: void function ( Adjustable arg0 ) { if ( arg0 == null ) { return ; } arg0 . addAdjustmentListener ( new TrackingAdjustmentListener ( ) ) ; }