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Interview Questions and Answers for 'Bureau veritas' - 4 question(s) found - Order By Newest

  Q1. What is a String Pool ?Core Java
Anonymous
Ans. String pool (String intern pool) is a special storage area in Java heap. When a string is created and if the string already exists in the pool, the reference of the existing string will be returned, instead of creating a new object and returning its reference.

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Very frequently asked.Usually among first few questions.
  Q2. What is MVC ? Design
Anonymous
Ans. MVC is a Design Pattern that facilititates loose coupling by segregating responsibilities in a Web application

1. Controller receives the requests and handles overall control of the request
2. Model holds majority of the Business logic, and
3. View comprise of the view objects and GUI component

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Very frequently asked. Usually asked with questions related to String.
  Q3. What is an Immutable Object ?Core Java
Anonymous
Ans. Object that can't be changed after instantiation.

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 Q4. How is Abstraction implemented in Java ?Core Java
Admin
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Ans. Abstraction is provided in Java by following ways -

Coding to the ( Interfaces / Abstract Classes ) or contracts

By Encapsulating details within classes and exposing the minimal Door ( few public methods )

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   Like      Discuss      Correct / Improve     java   oops concepts   abstraction   interfaces   abstract class   encapsulation     Accenture  Bureau Veritas      basic        frequent




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