A problem with generalization hierarchies is that they tend to increase redundancy in the model.
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Q17: A generalization hierarchy shows object relationships between
Q18: A _ on the line indicates a
Q19: _ occurs when the objects in a
Q20: A possible solution to problems introduced in
Q21: Sometimes a general class includes objects and
Q22: An important aspect of the object-oriented approach
Q24: In multiple inheritance, it is preferred to
Q25: Multiple inheritance occurs when objects in the
Q26: Several object- oriented programming languages do not
Q27: A relationship can be optional.
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