MCQOPTIONS
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MCQOPTIONS
| 1. |
What does Liskov substitution principle specify? |
| A. | parent class can be substituted by child class |
| B. | child class can be substituted by parent class |
| C. | parent class cannot be substituted by child class |
| D. | No classes can be replaced by each other |
| Answer» B. child class can be substituted by parent class | |