tests if the item is in the queue . because the queue allows duplicate items , isqueued will return true even if the item was removed from the queue if the item was queued twice before being removed from the queue . concode_field_sep List<Object> delegate concode_elem_sep long serialVersionUID concode_field_sep Object get concode_elem_sep boolean isEmpty concode_elem_sep String toString concode_elem_sep void put
boolean function ( Object arg0 ) { return this . delegate . contains ( arg0 ) ; }