This book uses the Postman - REST Client extension for Chrome to test our REST service. I use the 5.0.1 version of Postman. You can use the Postman Chrome application or any other REST Client to test your sample REST application, as shown in the following screenshot:
Postman - Rest Client Chrome extension
Let's test our first REST resource once you have the Postman - REST Client installed. We start the Postman - REST Client from either the Start menu or from a shortcut.
By default, the embedded web server starts on port 8080. Therefore, we need to use the http://localhost:8080/<resource> URL for accessing the sample REST application. For example: http://localhost:8080/calculation/sqrt/144.
Once it's started, you can type the Calculation REST URL for sqrt and value 144 as the path parameter. You can see it in...