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|Interview Questions and Answers|
|Ans. runtime polymorphism or method overriding doesn't require method name and signature to be different whereas compile time polymorphism or method overloading requires method name to be same but the signature to be different.|
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|Like Discuss Correct / Improve  polymorphism  object oriented programming (oops)  oops concepts  overloading  overriding basic|
|What are points to consider in terms of access modifier when we are overriding any method?|
|What is Polymorphism in Java ?|
| If everything is an object , Cant we declare every object as|
Object obj = new String();
|Why do we need polymorphism in Java ?|
|How does java identifies which method to be called in method overriding or runtime polymorphism, when both methods share the same name and signature ?|
|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 ?|
| Is this Polymorphism ?|
Map<String, List<String>> inventoryManagerCountMap = new HashMap<String, ArrayList<String>>();
|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