What is an abstraction?
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Can you call the base class method without creating an instance?
Can we access interface static method using interface references?
What does it mean that a method or class is abstract?
How do I make sure that an object is released in code such as a connection or file object?
Why dynamic loading is used in object-oriented programming?
Whether static method can use nonstatic members?
What is the function of messaging metaphor?
What are Classes and Objects?
Can a class implement two interfaces having default method with same name and signature?
Difference between encapsulation and data hiding ?
What do you meant by "SBI" of an object?
What is the order of call of constructors in inheritiance?