QUESTION 7

QUESTION 7 
Which four statements are true? (Choose four.) 
 
A. Has-a relationships should never be encapsulated. 
B. Has-a relationships should be implemented using inheritance. 
C. Has-a relationships can be implemented using instance variables. 
D. Is-a relationships can be implemented using the extends keyword. 
E. Is-a relationships can be implemented using the implements keyword. 
F. The relationship between Movie and Actress is an example of an is-a relationship. 
G. An array or a collection can be used to implement a one-to-many has-a relationship. 
Solution : CDEG