What are the differences between spring and springboot?

The difference between spring and springboot: 1. Design goals; 2. Configuration; 3. Startup speed; 4. Dependency management; 5. Microservice support; 6. Monitoring and monitoring; 7. Integration and scalability. Detailed introduction: 1. Design goals, Spring is a comprehensive framework that provides a rich set of functions to handle all aspects of enterprise application development, including dependency injection, transaction management, security, etc.; 2. Configuration, Spring A large amount of XML or Java configuration is required to complete various tasks, which undoubtedly increases development time and so on.

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

Spring and Spring Boot are both open source frameworks for Java for building enterprise-level applications, but they differ significantly in many ways. The following are their main differences:

1. Design goals: Spring is a comprehensive framework that provides a rich set of functions to handle all aspects of enterprise application development. Including dependency injection, transaction management, security, etc. However, over time, Spring's complexity increased, causing the development process to become lengthy and cumbersome. Spring Boot aims to simplify this complexity, allowing developers to quickly build applications through automatic configuration and the principle that convention is greater than configuration.

2. Configuration: Spring requires a large amount of XML or Java configuration to complete various tasks, which undoubtedly increases development time. Spring Boot greatly reduces this part of the work through automatic configuration. Spring Boot automatically handles many basic configuration tasks, allowing developers to focus on the application itself rather than configuration.

3. Startup speed: One of the significant advantages of Spring Boot is its fast startup speed. It uses an embedded Tomcat or Jetty server, packaged with the application and requires no deployment. This makes booting up relatively fast.

4. Dependency management: Spring Boot uses "starters" to simplify Maven configuration and quickly add various functions and libraries. Spring Boot also provides "starter" dependency libraries such as spring-boot-starter-web or spring-boot-starter-security, etc., making it very easy to add dependencies when needed. Spring requires developers to manually manage these dependencies.

5. Microservice support: Spring Boot is designed for building microservice applications. It provides a variety of tools and libraries suitable for small to medium-sized enterprises, such as built-in web servers, health checks and lifecycle management functions, etc. Although Spring itself is not a microservice framework, it also provides many core functions common across microservice applications, such as AOP, IOC/dependency injection, etc.

6. Monitoring and monitoring: Spring Boot supports the Actuator function, which can quickly monitor the running status of applications. Through the endpoints exposed by Actuator, developers can obtain detailed information about the application, such as health status, runtime metrics, environment properties, etc. This information is useful for monitoring and diagnosing problems.

7. Integration and scalability: Spring Boot simplifies the development process of Spring applications through automatic configuration and the principle that convention is greater than configuration. In addition, Spring Boot also integrates many commonly used third-party libraries and tools, such as HikariCP as a database connection pool, Netflix's Eureka as service discovery, etc. This makes it easier for developers to integrate these libraries into their applications.

To sum up, although Spring and Spring Boot are similar in many aspects, such as they are both used to build enterprise-level applications, and both provide dependency injection functions, etc., they are different in the development process, configuration, startup There are significant differences in speed, microservices support, integration and scalability. Spring Boot enables developers to build and deploy applications faster by simplifying and automating some common development tasks.

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