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Which of the following statements are true?

a. Inheritance models the is-a relationship between two classes.
b. A strong is-a relationship describes a direct inheritance relationship between two classes.
c. A weak is-a relationship describes that a class has certain properties.
d. A strong is-a relationship can be represented using class inheritance.
e. A weak is-a relationship can be represented using interfaces.

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Which of the following statements are true?

a. Inheritance models the is-a relationship...
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