Rest Service Learning notes one, based on JAX-RS 2.0 Rest service of several types

1, type one, there is no application subclass, there is no servlet subclass, you need to dynamically generate a servlet instance, javax.ws.rs.core.Application

2, type Two, there is no application subclass, there is a servlet subclass, define an inherited servlet subclass, Servlet2 in the Web.xml file to configure the corresponding Servlet,servlet can be through the annotation @ Webservlet Configuration servlet

3, type III, existence of application subclasses coexist in the Appclicationpath annotation, you can directly define a subclass based on application, plus @appclicationpath ("/webapi/*"), configure the servlet

4, type Four, there are application subclasses, there is no servlet and applicationpath annotation, define application subclass, through the configuration file Web.xml file