boolean function ( Integer arg0 ) { return false ; }
inserts the specified element into this priority queue . concode_field_sep PlaceHolder placeHolder concode_field_sep boolean offer concode_elem_sep boolean contains concode_elem_sep int size concode_elem_sep void clear concode_elem_sep Integer[] toArray concode_elem_sep String toString concode_elem_sep Integer poll concode_elem_sep Integer peek