Explanation: Specialization means creating new subclasses from an existing class. 9) _____________ is the property that distinguishes an active object from one that is not active.
A. Persistence
B. Typing
C. Aggregation
D. Concurrency
Answer:A
Explanation: Specialization means creating new subclasses from an existing class. 9) _____________ is the property that distinguishes an active object from one that is not active.
A. Persistence B. Typing C. Aggregation D. Concurrency
Explanation: None. 10) Which of the following statements about object model is true?