When people say "Java" they usually think "slow". However, with Spring Boot and AngularJS you can create prototypes really fast.
In this example I will setup a web project using Spring Data REST. The client-side of the application will be written using AngularJS.
This tutorial explains how to write a small chat application using WebSockets with the Spring framework, AngularJS and SockJS.
HTML5 made browsers a powerful tool alternative to applications. With HTML5 WebSockets you can also send messages over the network in both ways unlike AJAX.