Spring Boot Interview Questions and Answers | Spring Boot | [New Video Uploaded! ]
Updated: February 25, 2025
Summary
The video discusses Spring Boot, an open-source framework developed by Pivotal known for its lightweight structure and easy application running. It offers features like starter pumps, embedded servers, logging support, and various modules including data JPA and security. Spring Boot CLI helps manage applications, while Time Leaf simplifies template processing in Java-based applications. Overall, Spring Boot simplifies development with auto-configuration and dependency management, improving efficiency and scalability.
Introduction to Spring Boot
Spring Boot is an open-source and lightweight framework developed and maintained by Pivotal team. It is mainly used for web and command line features, with automatic configurations for easy application running.
Features of Spring Boot
Spring Boot features include CLI starter pumps, actuator, typesafe configuration, embedded Tomcat server, support for logging files, and minimum system requirements of Java 8 and other build tools.
Components of Spring Boot
Components of Spring Boot include auto-configuration, starter pumps, actuator dependencies, and various modules like data JPA, test, security, and time leaf.
Spring Boot CLI
The Spring Boot CLI is a Groovy script application used to manage applications with commands like listing, testing, grabbing, installing, and uninstalling.
Annotations in Spring Boot
Common annotations used in Spring Boot applications include configuration, import, conditional, and platform-specific annotations for various functionalities.
Management Endpoints in Spring Boot
Management endpoints provide information such as thread dumps, current environment health, trace logs, audit events, request metrics, JVM system CPU, and system properties for monitoring and managing applications.
Spring Boot Auto Configuration
Spring Boot auto configuration configures applications based on classpath, jars, beans, properties, and attempts to register custom auto configuration classes.
Packaging and Deployment in Spring Boot
Packaging and deployment in Spring Boot involve running the application without setting up a web server, using Maven plugin, and packaging code as a JAR or WAR file for deployment.
Spring Boot Starters
Spring Boot starters are maven dependencies that supply specific functionality to make the bootstrapping process easier, manage dependencies automatically, and provide consistent upgrades.
Time Leaf in Spring Boot
Time Leaf is a Java-based template processing engine that provides support for serving XHTML templates in Spring Boot applications, making the application development faster and eliminating the need for XML configurations.
FAQ
Q: What is Spring Boot?
A: Spring Boot is an open-source and lightweight framework mainly used for web and command line features, with automatic configurations for easy application running.
Q: What are some key features of Spring Boot?
A: Spring Boot features include CLI starter pumps, actuator, typesafe configuration, embedded Tomcat server, support for logging files, and minimum system requirements of Java 8 and other build tools.
Q: What are the components of Spring Boot?
A: Components of Spring Boot include auto-configuration, starter pumps, actuator dependencies, and various modules like data JPA, test, security, and time leaf.
Q: What is the Spring Boot CLI used for?
A: The Spring Boot CLI is a Groovy script application used to manage applications with commands like listing, testing, grabbing, installing, and uninstalling.
Q: Which common annotations are used in Spring Boot applications?
A: Common annotations used in Spring Boot applications include configuration, import, conditional, and platform-specific annotations for various functionalities.
Q: What do management endpoints provide in Spring Boot?
A: Management endpoints provide information such as thread dumps, current environment health, trace logs, audit events, request metrics, JVM system CPU, and system properties for monitoring and managing applications.
Q: How does Spring Boot handle packaging and deployment?
A: Packaging and deployment in Spring Boot involve running the application without setting up a web server, using Maven plugin, and packaging code as a JAR or WAR file for deployment.
Q: What are Spring Boot starters?
A: Spring Boot starters are maven dependencies that supply specific functionality to make the bootstrapping process easier, manage dependencies automatically, and provide consistent upgrades.
Q: What is Time Leaf in the context of Spring Boot?
A: Time Leaf is a Java-based template processing engine that provides support for serving XHTML templates in Spring Boot applications, making the application development faster and eliminating the need for XML configurations.
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