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Spring Boot Interview Questions and Answers

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Ques 1. What is Spring Boot?

Spring Boot is an open source Java-based framework used to create a microservice. It is developed by Pivotal Team and is used to build stand-alone and production ready spring applications.

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Ques 2. Why to use Spring Boot?

You can choose Spring Boot because of the features and benefits it offers as given here:
  • It provides a flexible way to configure Java Beans, XML configurations, and Database Transactions.
  • It provides a powerful batch processing and manages REST endpoints.
  • In Spring Boot, everything is auto configured; no manual configurations are needed.
  • It offers annotation-based spring application.
  • Eases dependency management.
  • It includes Embedded Servlet Container.
  • Creates production ready microservices.

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Ques 3. Mention some advantages of Spring Boot.

Here are some major advantages of using spring-boot:
  • Helps you to create a stand-alone application, which can be started using java.jar.
  • It offers pinpointed started POMs to Maven configuration.
  • Allows you to Embed Undertow, Tomcat, or Jetty directly.
  • Helps you to configure spring whenever possible automatically.

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Ques 4. How to create a Spring Boot application using Spring Initializer?

It is an web application provided by Spring on its official website. However, you can also create Spring Boot project by entering project details.

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Ques 5. What are the ways to create Spring Boot project?

Basically, there are following four ways in which we can create Spring Boot Project :
  • Using Spring.io initializer.
  • Using Eclipse or any similar IDE and Maven simple project.
  • Using Spring Tool Suite.
  • Using CLI.

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