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Chapter 5. @QueryParam

The @QueryParam annotation allows you to map a URI query string parameter or url form encoded parameter to your method invocation.

GET /books?num=5


   public String getBooks(@QueryParam("num") int num) {

Currently since Resteasy is built on top of a Servlet, it does not distinguish between URI query strings or url form encoded paramters. Like PathParam, your parameter type can be an String, primitive, or class that has a String constructor or static valueOf() method.