What is difference between spring and spring boot?

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 Spring and Spring Boot are both Java-based frameworks used for building web applications. However, there are some key differences between them:

  1. Architecture: Spring is a framework that provides various modules for developing Java-based applications. Spring Boot, on the other hand, is built on top of the Spring framework and provides an opinionated way of building and deploying Spring-based applications.

  2. Configuration: In Spring, developers need to configure the application manually by setting up the required dependencies, defining beans, etc. In Spring Boot, much of this configuration is handled automatically based on pre-configured settings and dependencies.

  3. Development time: Spring Boot aims to reduce development time by providing a set of out-of-the-box features, such as embedded web server, database integration, and auto-configuration, that can be used with minimal configuration.

  4. Deployment: Spring Boot provides an embedded web server and executable JAR files, which makes it easy to deploy Spring-based applications without the need for external web servers or containers.

  5. Ease of use: Spring Boot provides a simpler and more streamlined approach to building Spring-based applications. It includes features such as automatic configuration, quick start templates, and starter dependencies, which make it easier to set up and use.

In summary, Spring is a powerful and flexible framework that provides various modules for building Java-based applications, while Spring Boot is a more opinionated framework built on top of Spring, designed to simplify the development of Spring-based applications by providing a set of out-of-the-box features and pre-configured settings.

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