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| Interview Questions and Answers for 'Doximity' - 1 question(s) found - Order By Newest | |||||
 Frequently asked to fresh graduates and less experienced developers. Among the first few questions in many interviews. | |||||
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| Ans. Composition - has-a relationship between objects. Inheritance - is-a relationship between classes. Composition - Composing object holds a reference to composed objects and hence relationship is loosely bound. Inheritance - Derived object carries the base class definition in itself and hence its tightly bound. Composition - Used in Dependency Injection Inheritance - Used in Runtime Polymorphism Composition - Single class objects can be composed within multiple classes. Inheritance - Single class can only inherit 1 Class. Composition - Its the relationship between objects. Inheritance - Its the relationship between classes. | |||||
 Sample Code for inheritance Sample Code for composition | |||||
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 Related Questions | |||||
 Difference between Composition and Inheritance ? | |||||
| Which of the following Java feature promotes access protection or Hiding ? a. Inheritance b. Encapsulation c. Abstraction d. Composition | |||||
| Which of the following is tightly bound ? Inheritance or Composition ? | |||||
| Can we compose the Parent Class object like this ? | |||||
| Which of the following Java features facilitates Dependency Injection - Inheritance or Composition ? | |||||
| How are the concept of Association related to Composition and Inheritance ? | |||||
| Is dependency injection possible if we don't have inheritance / Composition ? | |||||
| What is composition ? | |||||
