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