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Explain the differences between JAX-RS and Spring REST.

JAX-RS is a specification for implementing REST web services in Java and its (JAX-RS) reference implementation include Jersey, RESTEasy and Apache CXF. JSR standard can be run without servlet container.

The Spring is a complete framework that creates Java enterprise applications. In Spring, the REST capabilities are provided by the Spring MVC module itself which is NOT a JAX-RS implementation. It may be considered as an alternate to the JAX-RS standard.

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