Using an enum to build a State machine

Develop with real-time Java

Easy Java Persistence (EJP)

Example Depot - Useful code samples

Java PaaS shootout - A technical comparison of Google App Engine, Amazon Elastic Beanstalk, and CloudBees RUN@Cloud

This article compares three major Platform as a Service (PaaS) offerings for Java™ developers: Google App Engine for Java, Amazon Elastic Beanstalk, and CloudBees RUN@Cloud. It analyzes each service's unique technical approach, strengths, and weaknesses, and also discusses common workarounds. Learn the basic concepts underlying Java PaaS and understand how to choose a service that suits your development needs

java: SSL certificate in client

http://blogs.sun.com/andreas/resource/InstallCert.java

Visualising Garbage Collection in the JVM

Utilities for Java Apps

50 Java Interview Questions

Troubleshooting application performance with VisualVM

jOOQ stands for Java Object Oriented Querying

Build OSGi applications with Aries

http://www.ibm.com/developerworks/web/library/wa-aries/

What's new in iBATIS 3 - Using iBATIS as a persistence framework in your application

http://www.ibm.com/developerworks/library/os-ibatis3/index.html?S_TACT=105AGX01&S_CMP=HP

Play framework

The Play framework makes it easier to build Web applications with Java

Java Web services: Metro vs. Axis2 performance