📚 Spring Boot 3

The Spring Framework offers a comprehensive programming and configuration model for modern Java-based enterprise applications, adaptable to any deployment platform.

🔑 Key Features

Core Technologies

• 🔌Dependency Injection: Simplifies the management of application components.
• 📅Events: Supports event-driven programming with a publish/subscribe model.
• 📂Resources: Flexible resource handling, including file and classpath resources.
• 🌐Internationalization (i18n): Provides localization support for different languages.
• ✅Validation: Built-in validation for business logic.
• 🔗Data Binding: Seamlessly bind web request parameters to Java objects.
• 🔄Type Conversion: Automatically converts types as needed.
• 🗂️SpEL (Spring Expression Language): Powerful expression language for querying and manipulating objects.
• 🔍AOP (Aspect-Oriented Programming): Allows separation of cross-cutting concerns like logging and security.

Testing

• 🧪Mock Objects: Simplifies unit testing with mock implementations.
• 🔍TestContext Framework: Supports loading application context for tests.
• 🖥️Spring MVC Test: Test Spring MVC applications with ease.
• 🌐WebTestClient: Test WebFlux applications in a fluent API style.

Data Access

• 💼Transactions: Manage transactions declaratively.
• 📊DAO Support: Simplifies data access with Data Access Objects.
• 📇JDBC: Simplifies database interactions.
• 🔄ORM: Integration with popular ORM frameworks like Hibernate.
• 📜Marshalling XML: Easily handle XML data.

Web Frameworks

• 🌐Spring MVC: Comprehensive web framework for building web applications.
• 🚀Spring WebFlux: Reactive programming model for building non-blocking applications.

Integration

• 🔗Remoting: Support for remote method invocation.
• 📬JMS: Integration with Java Message Service.
• 🔌JCA: Java Connector Architecture support.
• 🛠️JMX: Manage and monitor applications.
• 📧Email: Simplified email handling.
• ⏲️Tasks & Scheduling: Task scheduling support.
• 🗄️Cache: Built-in caching abstraction.
• 🔍Observability: Tools for monitoring and managing application health.

Supported Languages

• 🦸‍♂️Kotlin: Fully supported for concise and expressive programming.
• 💻Groovy: Dynamic language support for scripting.
• 📜Dynamic Languages: Support for other dynamic languages.

📈 Support Policy and Migration

For details on minimum requirements, upgrade guidance from earlier versions, and support policies, visit the official Spring Framework wiki.

🚀 Getting Started

To create a new Spring Boot application, follow these simple steps:

1. Set Up: Ensure you have Java and Maven installed.
2. Initialize Project: Use Spring Initializr to generate your project structure.
3. Configure Dependencies: Add necessary dependencies in your pom.xml or build.gradle.
4. Run Application: Use mvn spring-boot:run or your IDE’s run feature to start your application.

📖 Documentation

For comprehensive documentation, please refer to the Spring Boot Documentation.