Interview Questions and Answers for 'FIA-US' - 2 question(s) found - Order By Newest Basic and Very Frequently asked. Q1. What is Polymorphism in Java ? Core Java 2016-11-06 09:10:54
Ans. Polymorphism means the condition of occurring in several different forms. Sample Code for overloading Sample Code for overriding Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 107 Companies Basic frequent Related Questions 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 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 ? 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 ? How is static and dynamic polymorphism achieved in Java ? Why do we need polymorphism in Java ? Must know at all levels. Among Top 10 frequently asked questions in Java. Very frequently asked to fresh graduates or less experienced professionals. Ans. Its a facility for code reuse and independent extension wherein a derived class inherits the properties of parent class. Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 14 Companies basic frequent Related Questions Why do we need Inner classes ? Cant we just work with outer classes wherever we implement Inner classes ? What are different types of classes ? Differences between abstract class and interface ? What is the difference between the following two code lines ? What is a stream and what are the types of Streams and classes of the Streams? Which of the following can be marked static ? What are the factors on which price classes are based on in case of EC2, S3, CloudFront and EBS ? What are the different types of inner classes ? What are the Wrapper classes available for primitive types ? What are wrapper classes ?
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