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Interview Questions and Answers for 'Donlen' - 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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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 ?


  Q2. What is reflection ?
Anonymous
Ans. It is the process of examining / modifying the behaviour of an object at runtime.

  Sample Code for reflection

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Related Questions

  How can we test methods individually which are not visible or declared private ?
  Is It Good to use Reflection in an application ? Why ?
  Why is Reflection slower ?
 What is the use of MethodHandle ?
 How Reflection can break any design pattern ?
 Can you tell us a use case of reflection in java that you have applied ?




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