question: removes an observer instance from the set of observers of this observable . concode_field_sep Vector m_Observers concode_field_sep void addObserver concode_elem_sep void removeObservers concode_elem_sep void notifyObservers concode_elem_sep int getObserverCount
target: void function ( Observer arg0 ) { synchronized ( m_Observers ) { m_Observers . removeElement ( arg0 ) ; } }