Extract request parameters

- [Instructor] Let's learn how to extract…information from the request.…The following types of parameters can be…extracted for use in the Resource class.…Query parameters, URI path parameters,…form elements, cookies, headers, and a matrix.…Let's discuss the URI path parameter in more detail,…and then see it in action.…URI path parameters indicated by the @PathParam annotation…are extracted from the URI of the request,…and essentially injects the value…of the parameter into the method.…

Here's a tip.…You can inject multiple parameters into a Java method…using a format similar to what's below.…Simply list each path parameter…separated by a forward slash.…I've opened IntelliJ and navigated…to the ApplicationResource.java file.…On line 33, the getApplication resource method…demonstrates returning an application.…For now, we have the data hard-coded,…but that will soon change.…

If you notice here on line 32,…we are using the @Path annotation at the method level.…The @Path annotation on this resource method…marks it as a subresource.…