What is the difference between spring and springboot

The difference between spring and springboot: 1. Design concept; 2. Configuration; 3. Create independent applications; 4. Non-functional features; 5. Startup speed; 6. Embedded containers; 7. Simplified testing; 8. Automatic configuration; 9. Dependency management; 10. Community scale. Detailed introduction: 1. Design concept. Spring is a comprehensive framework that provides many functions, but it also increases the complexity of the project. Spring Boot aims to simplify the initial construction and development process of Spring applications, etc.

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

Spring and Spring Boot are two closely related frameworks, but they are very different in design, purpose and usage. The following are the main differences between them:

1. Design concept: Spring is a comprehensive framework that provides many functions, but it also increases the complexity of the project. On the contrary, Spring Boot aims to simplify the initial setup and development process of Spring applications and automatically configure Spring applications as much as possible. Based on the principle of "convention over configuration", Spring Boot simplifies the project configuration process.

2. Configuration: In Spring, we need to perform a large amount of XML configuration, JavaConfig and annotation processing to integrate various components. In Spring Boot, it uses a specific method to configure, which greatly simplifies the configuration process of these files. For example, Spring Boot introduces the concept of "starters", which are pre-configured Maven dependencies that simplify Maven configuration.

3. Create independent applications: Spring Boot can create independent Spring applications. It integrates servers such as Tomcat, Jetty and Undertow and does not require them to be deployed. This means developers can package their applications directly into an executable JAR or WAR file, simplifying the deployment process.

4. Non-functional features: Spring Boot provides many non-functional features for general Spring projects, such as production indicators, robustness checks and externalized configurations. These features enable developers to quickly build and run an efficient Spring project.

5. Startup speed: Spring Boot provides extremely fast and simplified operations, allowing Spring developers to get started quickly. Compared with Spring, Spring Boot greatly simplifies the initial construction and development process of the project.

6. Embedded container: Spring Boot embeds a web server (such as Tomcat, Jetty or Undertow), which allows the application to run as a stand-alone executable JAR or WAR file , without the need for a separate server or container.

7. Simplified testing: Spring Boot simplifies the configuration process of unit tests and integration tests. It provides a pre-configured "test" starter to enable the integration of test frameworks (such as JUnit) much easier.

8. Automatic configuration: The power of Spring Boot lies in its automatic configuration function. It automatically configures your Spring application for you by checking your project's classpath, property settings, and other conditions. For example, if you add an H2 database to your classpath, Spring Boot will automatically configure an in-memory database for you.

9. Dependency management: In Spring Boot, you only need to introduce the corresponding starter dependencies to quickly integrate third-party libraries and frameworks. This dependency management method makes the project structure clearer and reduces the possibility of version conflicts.

10. Community size: Since Spring Boot is an extension of Spring rather than a replacement, this means that Spring Boot can access Spring's huge ecosystem. As time goes by, more and more developers choose to use Spring Boot, causing its community to continue to expand.

In general, Spring Boot is designed to simplify the development, deployment and operation of Spring applications. It enables developers to build projects faster and greatly reduces the complexity of development through features such as automatic configuration, embedded containers, non-functional features and dependency management. Therefore, if you are a new developer or want to quickly build a Spring application, using Spring Boot is a good choice.

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