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Can the dynamic type of an object change after its instantiation ?
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Explain the difference between overriding and overloading in OOP.3
Which modification of the following code WILL NOT make the output be "success" ?4
What does the following code return ?4
When can you do a+b in OOP ?6
Can a class implements several interfaces ?9
Inheritance in OOP.11
Overrided method visibility must be the same or less restrictive than the inherited method.