Spring Boot Flashcards
What is Spring Boot?
Spring Boot is an open-source Java-based framework used to create stand-alone, production-grade Spring-based applications.
True or False: Spring Boot eliminates the need for configuring XML files.
True
What annotation is used to mark a class as a Spring Boot application?
@SpringBootApplication
Fill in the blank: Spring Boot uses _______ to automatically configure the application based on the libraries on the classpath.
auto-configuration
What is the default port on which a Spring Boot application runs?
8080
Which file is used for configuration in a Spring Boot application?
application.properties or application.yml
What command is used to create a new Spring Boot project using Spring Initializr?
There is no specific command; you can use the web interface at start.spring.io.
True or False: Spring Boot supports embedded web servers like Tomcat and Jetty.
True
What is the purpose of the ‘spring-boot-starter’ dependency?
It provides a set of convenient dependencies for building Spring applications.
How can you externalize configuration in Spring Boot?
By using application.properties, application.yml, environment variables, or command-line arguments.
What is Spring Boot Actuator?
A set of tools for monitoring and managing Spring Boot applications.
Which annotation is used to create a RESTful web service in Spring Boot?
@RestController
What is the purpose of the @Autowired annotation?
It allows Spring to resolve and inject collaborating beans into your bean.
True or False: Spring Boot applications can be packaged as executable JAR files.
True
What is the Spring Boot CLI?
A command-line interface for quickly developing Spring applications.
Fill in the blank: Spring Boot uses _______ to manage dependencies effectively.
Maven or Gradle
What is the main benefit of using Spring Boot?
It simplifies the setup and development of new Spring applications.
Which annotation is used to define a scheduled task in Spring Boot?
@Scheduled
True or False: Spring Boot requires Java EE to run.
False
What is a Spring Boot Starter?
A set of convenient dependency descriptors you can include in your application.
How do you run a Spring Boot application from the command line?
By using the command ‘mvn spring-boot:run’ or ‘java -jar yourapp.jar’.
What is the role of the application.properties file?
It is used to configure properties for the Spring Boot application.
What does the term ‘Convention over Configuration’ mean in the context of Spring Boot?
It means that Spring Boot provides default configurations to reduce the need for manual setup.
Which annotation is used to enable Spring Boot’s auto-configuration feature?
@EnableAutoConfiguration
What is the purpose of the ‘spring-boot-devtools’ dependency?
It provides development-time features like automatic restarts and live reload.
What is the significance of the ‘main’ method in a Spring Boot application?
It serves as the entry point for the application.
