Java EE 8 Application Development

An introduction to RESTful web services and JAX-RS

RESTful web services are very flexible. They can consume several types of different MIME types, although they are typically written to consume and/or produce XML or JSON (JavaScript Object Notation).

Web services must support one or more of the following four HTTP methods:

• GET - By convention, a GET request is used to retrieve an existing resource
• POST - By convention, a POST request is used to update an existing resource
• PUT - By convention, a PUT request is used to create a new resource
• DELETE - By convention, a DELETE request is used to delete an existing resource

We develop a RESTful web service with JAX-RS by creating a class with annotated methods that are invoked when our web service ...