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Interview Questions and Answers for 'Xchanging' - 3 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

 Help us improve. Please let us know the company, where you were asked this question :   

   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 ?


Frequently asked question for intermediate developers.
  Q2. What is Volatile keyword used for ?Core Java
Anonymous
Ans. Volatile is a declaration that a variable can be accessed by multiple threads and hence shouldnt be cached.

  Sample Code for volatile

 Help us improve. Please let us know the company, where you were asked this question :   

   Like         Discuss         Correct / Improve     java   oops   synchronization   volatile   java keywords     Asked in 42 Companies      intermediate        frequent

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Related Questions

  How does volatile affect code optimization by compiler?
 how is the internal code for the "volatile" implemented ?
 What are the different ways to avoid multi Threading related problems in Java ?
 Can we make array volatile in Java ?
 Have you heard of volatile Table in Teradata ?
 what is volatile and atomic


 Q3. What is JAXB ?Xml
Admin
info@buggybread.com
Ans. Stands for Java API for XML Binding. This standard defines a mechanism for writing out Java objects as XML and for creating Java objects from XML structures.

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   Like         Discuss         Correct / Improve     java   xml   markup language   java api for xml binding   jaxb   abbreviation   technologies     Asked in 2 Companies


Related Questions

  What are the benefits of JSON over XML ?
  Difference between SAX and DOM Parser ?
 What is deployment descriptor ?

or

What is the use of deployment descriptor ?
  What are the contents of Hibernate configuration file ( hibernate.cfg.xml ) ?
 Which of the following file is called deployment descriptor ?

a. application.xml
b. project.xml
c. web.xml
d. build.xml
  Can we have multiple servlets in a web application and How can we do that ?
  What is XML ?
  What is DTD ?
  What is XSD ?
  What is JAXP ?




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