How to Make a Spring Boot Controller Return JSON, XML, and YAML Dynamically

Learn how to configure Spring Boot 3.2.5 to let a single controller endpoint dynamically produce JSON, XML, or custom YAML responses using Accept headers, request parameters, path extensions, and custom HttpMessageConverters, with step‑by‑step code examples and necessary Maven dependencies.

BackendJavacontent-negotiation

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How to Make a Spring Boot Controller Return JSON, XML, and YAML Dynamically