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Core java - Interview Questions and Answers for 'Hybris' - 2 question(s) found - Order By Newest

Very Frequently asked to fresh graduates and less experienced. Favorite question in Walk in drives. Frequently asked in Indian Services companies.
  Q1. Difference between Overloading and Overriding ?Core Java
Anonymous
Ans. Overloading - Similar Signature but different definition , like function overloading.

Overriding - Overriding the Definition of base class in the derived class.

  Sample Code for overloading

  Sample Code for overriding

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   Like         Discuss         Correct / Improve     java   oops   overloading   overriding   oops concepts   basic interview question     Asked in 82 Companies      basic        frequent

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Related Questions

  What are the difference between composition and inheritance in Java?
  What is the difference between Encapsulation and Abstraction?
  What are points to consider in terms of access modifier when we are overriding any method?
 Explain OOPs

or

Explain OOPs Principles

or

Explain OOPs Concepts

or

Explain OOPs features

or

Tell me something about OOPs
 What is Polymorphism in Java ?
  Why every object constructor automatically call super() in Object before its own constructors?
 Can you give a real world example of Encapsulation and Abstraction ?
  Difference between Composition and Inheritance ?
  How compiler handles the exceptions in overriding ?


Very Frequently asked. Usually asked along with String Class related questions.
  Q2. What is an immutable class ?Core Java
Anonymous
Ans. Class using which only immutable (objects that cannot be changed after initialization) objects can be created.

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   Like         Discuss         Correct / Improve     java   oops   immutable  immutability   immutable  immutability class   string class   basic interview question     Asked in 17 Companies      Basic        frequent

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Related Questions

  Why is String immutable in Java ?
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  What is an Immutable Object ?
  How to implement an immutable class ?
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