

MCQOPTIONS
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1. |
If class Dog has a subclass Retriever, which of the following is true? |
A. | Because of single inheritance, Dog can have no other subclasses. |
B. | Because of single inheritance, Retriever can extend no other class except Dog. |
C. | The relationship between these classes implies that Dog “is-a” Retriever. |
D. | The relationship between these classes implies that Retriever “has-a” Dog. |
Answer» C. The relationship between these classes implies that Dog “is-a” Retriever. | |