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If I want to instantiate objects with a type which is derivated from an abstract type, which Design Patter should I use ?
Author: SamuelStatus: PublishedQuestion passed 735 times
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Overrided method visibility must be the same or less restrictive than the inherited method.3
Which modification of the following code WILL NOT make the output be "success" ?7
Can a class implements several interfaces ?3
What does the following code return ?4
Explain the difference between overriding and overloading in OOP.5
When can you do a+b in OOP ?10
Inheritance in OOP.