Simple chat box with Servlet & JSP codes. No database used. Core concept of Servlet, Filter, Listener, JSP, JSTL used.
Internationalization:
Change locale in login page by calling: http://localhost:8080/login?lang=fr
Datetime format and currency can be demonstrate with US and Australia:
http://localhost:8080/demo?lang=en_US
http://localhost:8080/demo?lang=en_AU
Logback configuration details: [https://wiki.base22.com/display/btg/How+to+setup+SLF4J+and+LOGBack+in+a+web+app+-+fast] (https://wiki.base22.com/display/btg/How+to+setup+SLF4J+and+LOGBack+in+a+web+app+-+fast)