What is composition? Explain the purpose of composition.
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What does the “abstract” keyword mean in front of a method? A class?
Explain the concept of multiple inheritance (virtual inheritance). Write about its advantages and disadvantages?
What are all the operators that cannot be overloaded?
What is single and multiple inheritance?
What is the difference between public, private and protected access modifiers?
Whether static method can use nonstatic members?
When will you use an interface and abstract class?
What are inner classes and what is the practical implementation of inner classes?
What is the difference abstract class and interface?
Explain about object oriented databases?
What is an USECASE? Why it is needed?
Explain about object oriented programming?