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Is an interface a type ?
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7
Can a class implements several interfaces ?12
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" ?4
What does the following code return ?10
Inheritance in OOP.5
When can you do a+b in OOP ?4
Explain the difference between overriding and overloading in OOP.