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Jun 15, 2024 · Prepare for your next Spring Boot interview with this comprehensive guide that covers core concepts, features, advantages, components, and more. Find questions for freshers, intermediate, and advanced levels with explanations and examples.
Jan 3, 2024 · Check out the top most asked Interview Questions on Spring Boot for freshers and experienced developers (2 to 5 years of experience) in top tech companies.
- Q1. What Is Spring Boot and What Are Its Main Features?
- Q2. What Are The Differences Between Spring and Spring Boot?
- Q3. How Can We Set Up A Spring Boot Application with Maven?
- Q4. What Is Spring Initializr?
- Q5. What Spring Boot Starters Are Available Out there?
- Q6. How to Disable A Specific Auto-Configuration?
- Q7. How to Register A Custom Auto-Configuration?
- Q8. How to Tell An Auto-Configuration to Back Away When A Bean exists?
- Q9. How to Deploy Spring Boot Web Applications as Jar and War files?
- Q10. How to Use Spring Boot For Command-Line Applications?
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Spring Boot is essentially a framework for rapid application development built on top of the Spring Framework. With its auto-configuration and embedded application server support, combined with the extensive documentation and community support it enjoys, Spring Boot is one of the most popular technologies in the Java ecosystem as of date. Here are ...
The Spring Framework provides multiple features that make the development of web applications easier. These features include dependency injection, data binding, aspect-oriented programming, data access and many more. Over the years, Spring has been growing more and more complex, and the amount of configuration such an application requires can be in...
We can include Spring Boot in a Maven project just like we would any other library. However, the best way is to inherit from the spring-boot-starter-parent project and declare dependencies to Spring Boot starters. Doing this lets our project reuse the default settings of Spring Boot. Inheriting the spring-boot-starter-parent project is straightforw...
Spring Initializr is a convenient way to create a Spring Boot project. We can go to the Spring Initializrsite, choose a dependency management tool (either Maven or Gradle), a language (Java, Kotlin or Groovy), a packaging scheme (Jar or War), version and dependencies, and download the project. This creates a skeleton project for usand saves setup t...
Each starter plays a role as a one-stop shop for all the Spring technologies we need. Other required dependencies are then transitively pulled in and managed in a consistent way. All starters are under the org.springframework.boot group and their names start with spring-boot-starter-. This naming pattern makes it easy to find starters, especially w...
If we want to disable a specific auto-configuration, we can indicate it using the exclude attribute of the @EnableAutoConfigurationannotation. For instance, this code snippet neutralizes DataSourceAutoConfiguration: If we enabled auto-configuration with the @SpringBootApplication annotation — which has @EnableAutoConfigurationas a meta-annotation —...
To register an auto-configuration class, we must have its fully qualified name listed under the EnableAutoConfiguration key in the META-INF/spring.factoriesfile: If we build a project with Maven, that file should be placed in the resources/META-INF directory, which will end up in the mentioned location during the packagephase.
To instruct an auto-configuration class to back off when a bean already exists, we can use the @ConditionalOnMissingBeanannotation. The most noticeable attributes of this annotation are: 1. value– the types of beans to be checked 2. name– the names of beans to be checked When placed on a method adorned with @Bean, the target type defaults to the me...
Traditionally, we package a web application as a WAR file and then deploy it into an external server. Doing this allows us to arrange multiple applications on the same server. When CPU and memory were scarce, this was a great way to save resources. But things have changed. Computer hardware is fairly cheap now, and the attention has turned to serve...
Just like any other Java program, a Spring Boot command-line application must have a mainmethod. This method serves as an entry point, which invokes the SpringApplication#run method to bootstrap the application: The SpringApplicationclass then fires up a Spring container and auto-configures beans. Notice we must pass a configuration class to the ru...
Learn some of the most common questions related to Spring Boot that may come up during a job interview. Topics include auto-configuration, starters, security, logging, and more.
- What is Spring Boot? Spring Boot is a Spring module which provides RAD (Rapid Application Development) feature to Spring framework. It is used to create stand alone spring based application that you can just run because it needs very little spring configuration.
- What are the advantages of Spring Boot? Create stand-alone Spring applications that can be started using java -jar. Embed Tomcat, Jetty or Undertow directly.
- What are the features of Spring Boot? Web Development. SpringApplication. Application events and listeners. Admin features. For more information click here.
- How to create Spring Boot application using Maven? There are multiple approaches to create Spring Boot project. We can use any of the following approach to create application.
- Explain the term ‘Spring Boot’. It is a Spring module that offers Rapid Application Development to Spring framework. Spring module is used to create an application based on Spring framework which requires to configure few Spring files.
- 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.
- How to create a Spring Boot application using Spring Initializer? It is a web tool provided by Spring on its official website. However, you can also create Spring Boot project by entering project details.
- Name the features of using Spring Boot. Features of using Spring Boot are: Starter dependency. Auto-configuration. Spring initializer.
Sep 15, 2023 · “Explore 50 Crucial Spring Boot Interview Questions for Excelling in Your Java Spring Boot Microservice Interviews”
Aug 3, 2022 · Learn some common spring boot interview questions and answers with brief or one-shot explanations. Topics include spring boot components, starters, auto-configuration, actuator, CLI, initilizr, and more.
