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|Java - Interview Questions and Answers|
|Very frequently asked. Usually among very first few questions.|
|Ans. Encapsulation is a feature of OOP's that binds the data and it's associated methods together as a single unit and facilitate protection and data hiding by providing minimal interface to outside. For example - member variables are declared private and are accessed through public methods. Moreover we have private methods that can only be used internally and hence providing minimal interface to outside class through use of public methods.|
Sample Code for encapsulation
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|What is the difference between Encapsulation and Abstraction?|
|Can you give a real world example of Encapsulation and Abstraction ?|
| Which of the following Java feature promotes access protection or Hiding ?|
|What are the features of encapsulation ?|
|How is Abstraction implemented in Java ?|
|Difference between Encapsulation and Data Hiding ?|
|Why it's a good practice to expose member elements through getter methods ?|
|How can we hide a class in Java ?|
|Which of the OOP's feature - encapsulation or abstraction - is more important ?|