JVM languages - Scala, Groovy, Grails, Jruby
The Java platform is highly robust because the Java Virtual Machine (JVM) supports much more than just the core Java language. Application developers need to choose which of the JVM languages to run on the virtual machine. Scala, Groovy, Grails, and Jruby are all popular choices. Scala is an object oriented language designed to be highly scalable. Groovy is similar to the standard Java language with several additional features. The Grails framework leverages Groovy under a "coding by convention" paradigm. Learn about all of these Java languages and more in this topic section.
Boiling complex software development down to imperative programming
05 Apr 2013
Tip - Complex software can be intimidating, but things get simplified when you boil it down to the imperative programming basics.
Troubleshooting Java Code: Log or Re-Throw, but Don't Do Both
06 Mar 2013
Tip - When building Java applications, proper logging and proper exception handling go hand in hand. But there are times when putting the two together is just plain wrong. This article explains why rethrowing an exception and logging it at the same time is a...
OSGi gives open source middleware a modular deployment model
29 May 2012
Video Interview - James Strachan explains how OSGi has helped Apache middleware projects achieve a more modular deployment model in this video interview from CamelOne 2012.
Java 7 and the intricacies of safe and unsafe casting
26 Jan 2012
Tip - One of the problems with casting is that it does have the potential to cause a loss of precision, especially if the number that gets cast does indeed fall outside of the range of the target type. Here we will explain why this happens.
Dependency Injection in Java EE 6 (Part 6)
15 Mar 2011
Tip - In this last article of the series, we will cover portable extensions, available implementations as well as CDI alignment with Seam, Spring and Guice.