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Spring - Interview Questions and Answers for 'Fidelity' - 5 question(s) found - Order By Newest

Recently asked in TCS , Tech Mahindra, HCL , Accenture and Fidelity.

Q1. Explain Flow of Spring MVC ?

Spring

^{Admin
info@buggybread.com}

Ans. The DispatcherServlet configured in web.xml file receives the request.

The DispatcherServlet finds the appropriate Controller with the help of HandlerMapping and then invokes associated Controller.

Then the Controller executes the logic business logic and then returns ModeAndView object to the DispatcherServlet.

The DispatcherServlet determines the view from the ModelAndView object.

Then the DispatcherServlet passes the model object to the View.

The View is rendered and the Dispatcher Servlet sends the output to the Servlet container.

Finally Servlet Container sends the result back to the user.

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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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Q3. What bean scopes does Spring support? Explain them.

Spring

^{Admin
info@buggybread.com}

Ans. The Spring Framework supports following five scopes -

Singleton
prototype
request
session
global-session

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Q4. What is Spring Security ?

Spring

^{2017-01-10 09:13:58}

Ans. Spring Security is a powerful and highly customizable authentication and access control framework. It is the de facto standard for securing Spring-based applications.

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Q5. Is there any relationship between Web.xml and Spring.xml ?

Spring

^{2017-01-11 09:13:48}

Ans. No, there is no relationship between web.xml and spring.xml but you have to configure spring.xml in web.xml in order initialize beans when application starts up

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