Counting Active Users on your web site using JSP - Java tutorial

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As the J2EE platform has matured, it has opened up the opportunity to deploy commodity servers in networked cluster configurations for scaling of Web services and Web applications at the Web tier. These commodity servers, interconnected through commodity LAN hardware, can provide cost-effective clustering solutions. The last piece of the clustering puzzle is in the software. In this seriesSing Li examines three open source software substrates that can enable high-impact Web tier clustering, beginning with JavaGroups.

This is the simplest and fastest code that shows how to implement multiple-column table sorting in JSP (Sort Ascending & Sort Descending). Excellent for JSP Database beginners Author: Tanwani Anyangwe

Get a demonstration on how to use Acegi to secure access to JavaBeans in JavaServer Faces (JSF) applications. You can configure secure beans in a variety of ways, including using Acegi-secured inversion-of-control (IOC) beans directly in your JSF tags.

The BeepLite Networking Layer is a Java implementation of Blocks Extensible Exchange Protocol, a generic application protocol kernel for connection-oriented, asynchronous interactions. This technology supports dynamic, pluggable application protocols for peer-to-peer, client-server, or server-to-server scenarios.

A step-wise tutorial to make a 2D platform game in Java.

In an object-oriented manner, of course.