Spring Boot Interview Questions: Spring Boot is a framework built on top of the Spring framework that helps to build standalone Spring-based applications easily and quickly. It is designed to provide a simpler and faster way to develop and deploy applications using Spring without requiring extensive configuration.
Spring Boot achieves this by providing a range of pre-configured features and settings that can be used out-of-the-box and by using an opinionated approach to a design that helps to reduce the amount of boilerplate code required.
Spring Boot also provides a range of production-ready features, such as monitoring and management tools, that can be used to help deploy and manage applications in production environments.
Some key benefits of using Spring Boot include faster development time, simplified deployment, automatic configuration, and increased productivity. Overall, Spring Boot is a popular choice for building modern Java applications and is widely used in various industries and applications.
A Spring Boot interview asks candidates about their knowledge and experience with Spring Boot, a popular Java framework for building standalone Spring-based applications.
The interview typically covers topics such as the advantages of using Spring Boot, the different types of dependencies, how to create a Spring Boot project, how to use annotations like @SpringBootApplication, and more.
The interview aims to assess the candidate’s understanding of Spring Boot and its ability to use it effectively in real-world projects. The interviewer may also ask the candidate to demonstrate their knowledge by providing code examples or solving coding problems related to Spring Boot.
Spring Boot is a framework that helps to build standalone Spring-based applications. It is built on top of the Spring framework and provides an easy way to create applications quickly. Its advantages include reduced development time, automatic configuration, simplified deployment, and increased productivity.
Spring is a framework for building enterprise-level Java applications, while Spring Boot is a framework for building standalone Spring applications with minimal configuration.
There are three types of dependencies in Spring Boot: Starter Dependencies, Test Dependencies, and BOM (Bill of Materials) Dependencies.
A Spring Boot Starter is a pre-configured set of dependencies that can be used to set up and build a specific type of application quickly.
You can create a Spring Boot project using the Spring Initializr, a web-based tool that helps generate a Spring Boot project with the necessary dependencies.
The @SpringBootApplication annotation marks the main class of a Spring Boot application. It combines three annotations: @Configuration, @EnableAutoConfiguration, and @ComponentScan.
Auto-configuration in Spring Boot is the process of automatically configuring the application based on the dependencies that are included in the project.
Spring Boot Actuator is a sub-project of Spring Boot that provides production-ready features to help monitor and manage the application.
@Component is a generic annotation used to mark any Spring-managed component, @Service is used to mark a service component, and @Repository is used to mark a repository component.
Spring Boot CLI is a command-line interface tool that creates, develops and tests Spring Boot applications. It can be used to create a new project, run the application, and test it.
Spring MVC is a framework for building web applications using the Model-View-Controller (MVC) pattern, while Spring Boot is a framework for building standalone Spring applications.
Spring Boot DevTools is a set of tools that can enhance the development experience of Spring Boot applications. It provides features such as automatic restart, lives to reload, and more.
Application.properties is a configuration file that can be used to configure the properties of a Spring Boot application.
Spring Data JPA is a sub-project of Spring Data that provides a framework for working with relational databases. It can be used in Spring Boot to simplify working with databases.
@Autowired is used to inject dependencies by type, while @Resource is used to inject dependencies by name.
@Transactional is used to mark a method as transactional, which means that if any exception occurs during the execution of the method, the entire transaction will be rolled back.
Spring Boot Actuator endpoint is an HTTP endpoint provided by the Spring Boot Actuator sub-project. It can be used to monitor and manage the application.
To crack a Spring Boot interview, here are some tips and strategies:
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