JAX-RS @MatrixParam example

This post is in continuation with web service tutorial (Part -10).

In previous post, we have used @QueryParam for passing parameter to URL in JAX-RS @QueryParam example and  In case of @QueryParam, we pass parameters as well as its values separated by ? but in case of @MatrixParam, key value pairs are separared by semicolon(;).
For example:

Here Parameter names are id,countryName and its values are 3,Nepal respectively separated by ;.

Here are steps to create a JAXRS json example which will use @MatrixParam.

1) Follow steps on RESTful Web Services json example to create simple RESTful web services which uses @PathParam.
2) Change CountryRestService.java to use @MatrixParam as below.

That’s all. We need to run the application now.

Run the application

3) Right click on project -> run as -> run on server
Select apache tomcat and click on finish
4) Now pass country id and country name as parameters to url separated by ;.
“http://localhost:8080/JAXRSJsonExample/rest/countries/country;id=1;countryName=India”.

We are done with Restful web services json MatrixParam example. If you are still facing any issue, please comment.


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