Django is a popular framework in the Python programming language, used in the creation of web applications and based on the popular MVC architecture.

Build an online messaging app using Java Servlets, JSP, Expression Language, JSTL, JPQL, Sessions/Cookies, HTML/CSS/JavaScript, and the Bootstrap framework. This book explains Java EE, along with its associated technologies making it perfect for those with at least basic programming experience in Java or C.

Previous chapters include a number of examples of classes (or partial classes) from the themed application, the main purpose of which is to illustrate programming concepts. It should not have escaped the notice of the reader that these examples often include material other than Java statements, usually in a non-bold font.