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Learn how Spring Framework 7 and Spring Boot 4's new HTTP Interfaces feature dramatically simplifies REST client creation and eliminates boilerplate code in service-to-service communication. Explore the transition from RestTemplate to RestClient while building a Todo API that demonstrates both traditional and modern approaches to external service communication. Discover how the new @ImportHttpServices annotation replaces complex proxy factory configurations with a single line of code, making your REST clients more declarative and maintainable. Master the setup process using Spring Initializr, understand why RestTemplate is being deprecated, and see how Spring Boot 4's modularization affects project configuration. Compare manual proxy factory setup with the streamlined HTTP Interfaces approach, implement complete CRUD operations with minimal code, and explore advanced configuration options for grouping and customizing multiple HTTP services. Gain practical experience testing implementations and applying best practices for microservices architecture and API-first development, while understanding the key benefits of declarative HTTP interfaces that require no implementation code.
