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If I work with a class "Vector2D" and I want to be able to add two vectors, which concept should I use ?
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11
Overrided method visibility must be the same or less restrictive than the inherited method.9
Inheritance in OOP.6
Can a class implements several interfaces ?3
What does the following code return ?4
When can you do a+b in OOP ?2
Which modification of the following code WILL NOT make the output be "success" ?3
Explain the difference between overriding and overloading in OOP.