Hi, There are several cases for "class A uses B". My question is there are any other cases besides the following cases? Thanks. 1) if class A refers to class B as a data member, local variable, argument, data cast, or if A inherits from B or if A implements interface B, then A uses B. Classes A and B interact if either A uses B or B uses A. 2)A can direct refer class B's static methods (or data members). B does not have to be a data member or local variable or argument of A 3)Inner class: if A is an inner class of B, then objects that are instances of A generally retain the ability to access the members of outer class B. In this case, B does not have to be the data member etc of A 4) Anonymous class Simon
(How about the notion of importing across packages? Strictly speaking, your answer includes this, since the purpose for importing a class B is to enable A to refer to it in several of the ways that you mention; but, it would be possible that A imports B but never accesses it ...)
Joined: Aug 16, 2000
Thanks, Jacquie. Any others?
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