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Interview Questions and Answers for 'Ojas innovative technologie' - 2 question(s) found - Order By Rating | ||||
Very frequently asked to Fresh graduates. | ||||
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Ans. 1.Abstraction solves the problem at design level while encapsulation solves the problem at implementation level 2.Abstraction is used for hiding the unwanted data and giving relevant data. while Encapsulation means hiding the code and data into a single unit to protect the data from outside world. 3. Abstraction lets you focus on what the object does instead of how it does it while Encapsulation means hiding the internal details or mechanics of how an object does something. 4.For example: Outer Look of a Television, like it has a display screen and channel buttons to change channel it explains Abstraction but Inner Implementation detail of a Television how CRT and Display Screen are connect with each other using different circuits , it explains Encapsulation. | ||||
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Like Discuss Correct / Improve  java   oops   oops concepts   encapsulation  object oriented programming (oops)  oops concepts   abstraction   basic interview question   encapsulation vs abstraction Asked in 10 Companies basic   frequent | ||||
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Related Questions | ||||
What are the difference between composition and inheritance in Java? | ||||
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Difference between Composition and Inheritance ? | ||||
Very Frequently asked. Have been asked in HCL Technologies very frequently ( based on 3 feedback ). Among first few questions in many interviews. | ||||
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Ans. Abstract classes can have both abstract methods ( method declarations ) as well as concrete methods ( inherited to the derived classes ) whereas Interfaces can only have abstract methods ( method declarations ). A class can extend single abstract class whereas it can implement multiple interfaces. | ||||
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Like Discuss Correct / Improve  java   classes   abstract class   interfaces   abstract class vs interface   abstract classes vs interfaces Asked in 82 Companies basic   frequent | ||||
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