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Consider the following class model:
Which of the following statements are true? Select one or more:
☐ All instances of Cde
have a value for attribute a1
.
☐ The standard identifier of Cde
is a1
.
☐ All instances of Cde
may have an object reference ab
referencing an object of type Bcd
.
☐ Instances of Abc
may have a value for c
.
☐ For any object of type Abc
the value of a3
must be greater
than the value of a2
.
☐ For any object of type Cde
the value of a3
must be greater
than the value of a2
.
☐ The standard identifier of Cde
is c
.
Consider the following class model:
In the case of such a simple class hierarchy, we can use the Class Hierarchy Merge design pattern where the entire class hierarchy is merged into a single class. Which of the following models describes the correct implementation of the Class Hierarchy Merge design pattern for the given Abc class hierarchy? Select one:
O
O
O
O
O