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|Java - Interview Questions and Answers|
|Ans. Yes, Runtime Polymprohism requires either Class inheritance or Interface implementation.|
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  runtime polymorphism  object oriented programming (oops)  oops concepts  method overriding  inheritance  object oriented programming (oops)  oops concepts|
|What are points to consider in terms of access modifier when we are overriding any method?|
| If everything is an object , Cant we declare every object as|
Object obj = new String();
|Shouldn't we make a class with all static members is its just expected to be executed as a standalone program with just one thread. Moreover Lets assume that there is no runtime Polymorphism required and there is no need for serialization ?|
|When are static and instance methods resolved ? During compile time or Runtime ?|
|Which of the following is not the difference between Singleton and Static class ( Class with static members only ) ?|
| Which of the following do you think is the primary reason you would never use a static class even the application doesn't need multiple requests or threads ? |
b. Runtime Polymorphism
c. Lazy Loading
|How does java identifies which method to be called in method overriding or runtime polymorphism, when both methods share the same name and signature ?|
|What is "dynamic method dispatch" in java ?|
|What is dynamic dispatch in Java ?|