Multiple Choice
The class at the highest level in a class diagram
A) is an abstract class.
B) points directly to all of its subclasses.
C) has definitions for all methods in the class hierarchy.
D) is the most general class in the class diagram.
Correct Answer:
Verified
Correct Answer:
Verified
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Q21: Inheritance takes advantage of an existing generalization/specialization
Q22: A subclass cannot contain a data member
Q23: No objects can be created of a
Q24: A subclass cannot inherit methods from another
Q25: A class definition may include a constructor
Q26: When two classes have a generalization/specialization relationship,the
Q28: When two constructors are given in a
Q29: Which of the following is not an
Q30: An abstract class<br>A)has at least one method