object
问题When an object receives a（）, methods contained within the object respond. A.parameterB
Whenanobjectreceivesa（）,methodscontainedwithintheobjectrespond.A.parameterB.informationC
问题Stated more formally, an object is simply（）of a class.A.a part B.a component C.an instanc
Statedmoreformally,anobjectissimply（）ofaclass.A.apartB.acomponentC.aninstanceD.anexample