Explain the concept of multiple inheritance (virtual inheritance). Write about its advantages and disadvantages?
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What does it mean that a method or class is abstract?
Can you create an instance of an abstract class?
What is the use if instanceof keyword? And how do refer to a current instance of object?
What is the diffrence between an abstract class and interface?
What are the features that are provided to make a program modular?
Can you think of some nice examples where *multiple* actors are associated with a use case ?
What do you mean by abstract class?
Can you use virtual, override or abstract keywords on an accessor of a static property?
What are the different types of arguments?
What does the keyword virtual represented in the method definition?
What are extrinsic and intrinsic connections in object-oriented programming?
What is the difference between aggregation and composition?