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zysi [14]
3 years ago
12

Given the following code, find the compile error.

Computers and Technology
1 answer:
bekas [8.4K]3 years ago
5 0

Answer:

a. Object cannot be converted to Person

Explanation:

This program demonstrates polymorphism.

e.g., a Student IS a Person therefore you can call m() with a Student as well as a Person object.

The same goes for GraduateStudent.

However, and Object is not a Person, so the last call fails. This can be deducted by the type checking that happens at compile time.

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