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Interview Questions and Answers for 'Nagravision' - 4 question(s) found - Order By Newest

 Q1. Explain Inner Classes ?Core Java
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Ans. The accessibility (public, protected, etc.) of the inner class is defined by the outer class.

Just like top-level classes, an inner class can extend a class or can implement interfaces.

Similarly, an inner class can be extended by other classes, and an inner interface can be implemented or extended by other classes or interfaces.

An inner class can be declared final or abstract.Inner classes can have inner classes, but you will have a hard time reading or understanding such complex nesting of classes.

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   Like      Discuss      Correct / Improve     java   oops   classes   inner classes     Computer Sciences Corporation (CSC) India  Nagravision      Basic        frequent

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Very frequently asked. Usually followed by questions related to private constructor and synchronized access. Frequently asked in JPMorgan and TCS (Based on 2 feedback)
  Q2. Explain Singleton Design Pattern ?Design
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Ans. http://www.buggybread.com/2014/03/java-design-pattern-singleton-interview.html

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 Q3. What is a class and object ?

or

How would you explain a fresher the concept of class and object in simple terms ?
Core Java2017-01-19 12:39:36

Ans. Class is a template using which objects are created in memory. It's kind of a mold using which objects with body / state are made.


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   Like      Discuss      Correct / Improve     class  object  class vs object     Nucleus Software Exports  GST Global  Nagravision  American Express      basic        frequent


 Q4. How can we make objects if the constructor is private ? Core Java2018-02-01 21:25:48

 This question was recently asked at 'Nagravision'.This question is still unanswered. Can you please provide an answer.


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   Like      Discuss      Correct / Improve     constructor     Nagravision




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