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Core java - Interview Questions and Answers for 'Samsung' - 3 question(s) found - Order By Newest

  Q1. Explain OOPs Core Java2017-06-13 08:25:45

Ans. OOPs or Object Oriented Programming is a Programming model which is organized around Objects instead of processes. Instead of a process calling series of processes, this model stresses on communication between objects. Objects that all self sustained, provide security by encapsulating it's members and providing abstracted interfaces over the functions it performs. OOP's facilitate the following features

1. Inheritance for Code Reuse
2. Abstraction for modularity, maintenance and agility
3. Encapsulation for security and protected
4. Polymorphism for flexibility and interfacing

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Related Questions

 Can you give a real world example of Encapsulation and Abstraction ?
 Which of the following Java feature promotes access protection or Hiding ?

a. Inheritance
b. Encapsulation
c. Abstraction
d. Composition
 Define encapsulation in Java ?
 Give an example of how Object Oriented Programming Concepts can be implemented.
 Which of the OOP's features facilitate dependency injection ?
 Which of the OOP's feature - encapsulation or abstraction - is more important ?
 Which of the polymorphism type - static or runtime - is more important ?
 Which of the OOP's feature is most important ?


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

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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 TypeCasting ?Core Java2018-07-30 08:40:18

 This question was recently asked at 'HBM India, Spectris Technologies,DocuPhase,Barclays,HCL Technologies,Wipro,Tata Consultancy (TCS),Infosys,Infosys Technologies,Buypaa,Saviynt,MathWorks,Deutsche Bank,3dplm Software Solution, Symantec,Manhattan Associates,Izmo,Global Edge Software,Jacobian,Samsung India,Robert Bosch India,Vensai,Gainsight'.This question is still unanswered. Can you please provide an answer.


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or

What is the difference between String , StringBuilder and StringBuffer ?
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