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Interview Questions and Answers for 'Verizon' - 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 ?


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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Try 2 Question(s) Test


Related Questions

  Why is String immutable in Java ?
  Why Char array is preferred over String for storing password?
 How does making string as immutable helps with securing information ? How does String Pool pose a security threat ?
 How is string object immutable if we can concat a string to it ?
  What is an Immutable Object ?
  How to implement an immutable class ?
  Does Declaring an object "final" makes it immutable ?
  What are stateless objects ? How are they different from immutable objects ? Which of these two is thread safe ?
  What are advantages of stateless and / or immutable objects ?


 Q3. Explain Hibernate caching mechanismHibernate2018-11-14 12:53:50

 This question was recently asked at 'Infosys,Sabre,Sapient,HCL Technologies,Thomson Reuters,Capgemini,FINRA,abhra,Ephesoft,Ananth Technologies,Verizon,Azuga,UrbanPro,Indecomm Global Services,The Digital Group,mPHATEK systems,Cakesoft Technologies,GoldenSource Corporation,Synechron,Clear2Pay,Rigil,Azuga,GGK Technologies system'.This question is still unanswered. Can you please provide an answer.


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Related Questions

  Difference between == and .equals() ?
  Why is String immutable in Java ?
  Explain the scenerios to choose between String , StringBuilder and StringBuffer ?

or

What is the difference between String , StringBuilder and StringBuffer ?
  What are the difference between composition and inheritance in Java?
  What do you mean by "Java is a statically typed language" ?
  Why do we need Inner classes ? Cant we just work with outer classes wherever we implement Inner classes ?
  What are different ways of object creation in Java ?
  What are points to consider in terms of access modifier when we are overriding any method?
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  What are the common uses of "this" keyword in java ?




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