JAVA

Q: Aggregation is different from composition in that:

a.) an object B that is contained in an aggregate object A cannot outlive A.

b.) no objects contained in an aggrgate object A may be used outside A.

c.) no objects contained in an aggrgate object A may outlive A.

d.) they are not different.

e.) an object B that is contained in an aggregate object A may outlive A.

Q: Information hiding in the context of object-oriented programming in JAVA refers to

a.) making all data members public.

b.) putting data members inside methods.

c.) making all methods of a class have a void return type.

d.) making data members private and accessbile through methods.

e.) making all methods of a class private.