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|Core java - Interview Questions and Answers for 'John deere' - 1 question(s) found - Order By Newest|
|Very frequently asked to Fresh graduates.|
|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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Try 2 Question(s) Test
|What are the difference between composition and inheritance in Java?|
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| Explain OOPs |
Explain OOPs Principles
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|Why every object constructor automatically call super() in Object before its own constructors?|
|What is Polymorphism in Java ?|
|Can you give a real world example of Encapsulation and Abstraction ?|
|Difference between Overloading and Overriding ?|
|Difference between Composition and Inheritance ?|
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