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# Getting Started with Spring Boot

Spring Boot makes it easy to create stand-alone, production-grade Spring-based applications.

## What is Spring Boot?

Spring Boot is an opinionated framework built on top of the Spring framework that simplifies application setup and development.

## Creating Your First Application

```java
@SpringBootApplication
public class Application {
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}

@RestController
public class HelloController {
    @GetMapping("/hello")
    public String hello() {
        return "Hello, Spring Boot!";
    }
}
```

## Core Features

- **Auto-configuration**: Automatically configures your application based on dependencies
- **Standalone**: Embedded servers (Tomcat, Jetty)
- **Production-ready**: Health checks, metrics, and monitoring
- **Opinionated defaults**: Convention over configuration

## Key Annotations

- `@SpringBootApplication` - Main application class
- `@RestController` - REST endpoint controller
- `@Service` - Business logic layer
- `@Repository` - Data access layer

## Why Spring Boot?

- Rapid development
- Large ecosystem
- Enterprise-grade features
- Strong community support

Build powerful Java applications with Spring Boot!


Introduction to building enterprise Java applications with Spring Boot