Spring Boot is an open-source framework that simplifies the development of Java applications, particularly those built on the Spring framework. It provides a set of tools and conventions to create stand-alone, production-ready applications quickly and with minimal configuration.

Key Features of Spring Boot

• Auto-Configuration: Automatically configures your application based on the libraries present on the classpath.
• Standalone: Creates stand-alone applications that can run independently without requiring a separate server.
• Production-Ready: Includes features like metrics, health checks, and externalized configuration for easy deployment.
• Spring Initializr: A web-based tool to generate Spring Boot projects with the desired dependencies.
• Embedded Servers: Supports embedded servers like Tomcat, Jetty, or Undertow for easier deployment.

What is Spring MVC?

Spring MVC (Model-View-Controller) is a framework within the Spring ecosystem that provides a way to build web applications in a structured manner. It separates application logic into three interconnected components: Model (data), View (user interface), and Controller (business logic). This separation allows for more manageable code and easier testing.

Why is Spring Boot Preferred Over Spring MVC?

While Spring MVC is a powerful framework for building web applications, Spring Boot offers several advantages that make it a preferred choice for many developers:

1. Simplified Configuration

Spring Boot reduces the need for extensive XML or Java configuration by using sensible defaults and auto-configuration. This makes it easier to set up and get started with new projects.

2. Rapid Development

The use of conventions over configuration allows developers to focus more on writing code rather than configuring settings. This leads to faster development cycles.

3. Stand-Alone Applications

Spring Boot allows you to create stand-alone applications that can be run directly without needing to deploy them on an external server, making testing and deployment simpler.

4. Built-in Features

Spring Boot comes with built-in features such as security, data access, and RESTful APIs, which can be easily integrated into your application without additional configuration.

5. Community Support

The Spring Boot community is large and active, providing extensive documentation, tutorials, and third-party libraries that enhance its functionality.

Conclusion

In summary, Spring Boot is a powerful framework that simplifies Java application development by providing auto-configuration, rapid development capabilities, and built-in features. Its ease of use and flexibility make it a preferred choice over traditional Spring MVC for many developers looking to build modern web applications quickly and efficiently.