Quiz: Subtyping and Inheritance
Take a quiz on subtyping and inheritance.
1
(Select all that apply.) Consider the following class model:
Which of the following statements are true?
A)
All instances of Cde have a value for the attribute a1.
B)
The standard identifier of Cde is a1.
C)
All instances of Cde may have an object reference ab that references an object of type Bcd.
D)
Direct instances of Abc may have a value for c.
E)
For any object of type Abc the value of a3 must be greater than the value of a2.
F)
For any object of type Cde the value of a3 must be greater than the value of a2.
G)
The standard identifier of Cde is c.
Question 1 of 50 attempted
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