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