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Can we create abstract methods in a non-abstract class ?
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4
When can you do a+b in OOP ?11
Overrided method visibility must be the same or less restrictive than the inherited method.6
Can a class implements several interfaces ?3
What does the following code return ?9
Inheritance in OOP.3
Explain the difference between overriding and overloading in OOP.2
Which modification of the following code WILL NOT make the output be "success" ?