Whichfouraretrue?()

题目
Whichfouraretrue?()

A.Has-arelationshipsshouldneverbeencapsulated.

B.Has-arelationshipsshouldbeimplementedusinginheritance.

C.Has-arelationshipscanbeimplementedusinginstancevariables.

D.Is-arelationshipscanbeimplementedusingtheextendskeyword.

E.Is-arelationshipscanbeimplementedusingtheimplementskeyword.

F.Anarrayoracollectioncanbeusedtoimplementaone-to-manyhas-arelationship.

G.TherelationshipbetweenMovieandActressisanexampleofanis-arelationship.