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<LI><H2>Class B can access a method of a class A which resides in a different package. Class A is public and the method is protected. What is the relationship between these two classes?
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<LI><H2>Would it make sense to declare a constructor of a class as protected? How about as private?
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<LI><H2>Would it make sense to create an empty interface? How about an interface with data, but no methods?
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