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Interview Questions and Answers for 'John deere' - 2 question(s) found - Order By Newest

Very frequently asked to Fresh graduates.
  Q1. What is the difference between Encapsulation and Abstraction?Core Java
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     Asked in 10 Companies      basic        frequent

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 Q2. Difference between git fetch and git pull ?Git2018-10-16 10:17:16

Ans. git pull does a git fetch followed by a git merge. git fetch only change the remote tracking but never attempts to make changes to the local.

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   Like         Discuss         Correct / Improve     git fetch vs git pull  git fetch  git pull     Asked in 1 Companies

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