I often see development teams using JSP tag libraries when they shouldn't be. I wrote this post to explain why it's best to view JSP tag libraries as relics of the past.

A quick go through of item 5 of Effective Java (The Book). Avoid creating unnecessary objects.

This article will help us to learn about the procedure of reading the XHTML form data and also will explain the process of using EJB (Enterprise JavaBeans) for inserting the data to MySQL database. The whole procedure is explained with the help of an example.

In this article, we will learn about the creation of Quick Calculator application in android that is useful to get quick mathematical results.

JMX stands for Java Management Extensions, and while Wikipedia’s page about JMX is a bit sparse, this IBM developerWorks guide provides a much better overview of the concept. The one-sentence takeaway about JMX is that it’s a set of tools for objects to expose monitoring or manipulation methods to external applications by registering themselves with a management server.

Sometimes there is a benefit in knowing the parameter names of a method at runtime without doing anything special about it, i.e. without adding a custom annotation. This article demonstrates an easy way to do it.

In this tutorial we will see different ways to loop an ArrayList. Below example will loop through ArrayList and print its content. Using regular for loop Using advance for loop Using While Loop Using Iterator

Demo project updated with newest version of JBoss EAP.

Demo updated with newest JBoss EAP version.

This tutorial is one of the certification exam topics which gives attention into Java Servlet Technology . This will help your preparation to pass the 1Z0-899 Java EE 6 Web Component Developer Certified Expert Exam. Servlet is a Java class that supplies compatible mechanism used to extend the ability of a Web-server that can support dynamic content generation. A servlet can almost be considered an applet that runs on the server side. Servlet provides a platform-independent methods to build Web-based applications. Servlets is a highly efficient CGI programs written in Java. When a Servlet-capable Web server receives a request for a URL that corresponds to a Java Servlet, the server hands the request off to the Servlet for processing. The Servlet dynamically produces a response to the request (typically an HTML Web page) and sends it back to the requesting browser.

A brief tutorial on how to log to Syslog from a Java application over UDP using Logback. It guides readers through everything from getting the appropriate dependencies, setting up logback, configuring Syslog and integrating with an application.

ADP4J allows you to inject configuration properties in your objects easily using annotations.

A tragic true tale of lies and deception, abandonment and hope of running the same Java application server and deployed application binaries on different JVMs.

List of Useful Eclipse Plugins that didn't made it to the Top 10 list

This article explains how to configure AppDynamics Profiler (Free version - sufficient for low level analysis) for your web application. Problmes that I faced and their resolutions. With AppDynamic profiler we can get method level details, queries fired and hot spots

This article explains how to configure jschart for your web applications on tomcat server

In our batch jobs for data import we had many similar classes for holding the data being imported. Technically they are all different, with different fields, yet conceptually they are all same. I find this conceptual duplication discomforting and have written a single, more generic, class to replace them all, inspired by Clojure's use of generic data structures. The two implementations and a discussions of their pros & cons follows.

OS4L - Inter Portlet Communication(IPC) via Ajax

Theory and gotchas to implement equals and hashCode methods.