What is data abstraction? what are the three levels of data abstraction with Example?
What is a functional interface? What is sam interface?
What is the benefit of using inheritance?
What is a static method? Why do we need static methods in java 8 interfaces?
What is function override?
What is the main difference between overloading and overriding?
Can encapsulation be called as a security device?
What do you mean by Realization?
What is the difference between aggregation and composition?
When do you prefer to use composition than aggregation?
1 Answers InfoAxon Technologies, Protech,
What is difference between polymorphism and normalization?
What is Abstract method and how different from Virtual Method?
What are abstract methods?