Design - Interview Questions and Answers for 'Wells fargo' | Search Interview Question

Design - Interview Questions and Answers for 'Wells fargo' - 2 question(s) found - Order By Newest

Very frequently asked.Usually among first few questions.

Q1. What is MVC ?

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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Related Questions

Explain Flow of Spring MVC ?

What are the benefits of using Spring Framework ?

Why Struts 1 Classes are not Thread Safe whereas Struts 2 classes are thread safe ?

What bean scopes does Spring support? Explain them.

Which MVC is struts2 based on ?

What are different modules of spring ?

What is Spring configuration file?

Q: What is default scope of bean in Spring framework?

What is bean auto wiring?

Q2. What is the difference between Singleton and immutable?

Design

Ans. Singleton class will have only one instance through out your application. Once the instance has been created, you can use it to change the state of that object, whereas for immutable class you cannot change the value that means you cannot change the state of it once assigned.

If you want to change the state/ different values, you can very well create two instance for that immutable class which JVM will allow.

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