SCJP題庫第019題

Which Man class properly represents the relationship

 "Man has a best friend who is a Dog"?

A. class Man extends Dog{}

B. class Man implements Dog{}

C. class Man{private BestFriend dog;}

D. class Man{private Dog bestFriend;}

E. class Man{private Dog<bestFriend>;}

F. class Man{private BestFriend<dog>;}

Ans:D

解說:無