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Education

Attaching a GUI to a domain model object (a.k.a. "Entity") is a boring job. You need to write lots of synchronization code or models to change the UI when the entity changes and vice versa. Now that has an end. Here is the ultimate, automatic glue generator: The Java Beans Binding API. It allows you to glue together two Java Beans (i. e. POJOs, and has nothing to do with Swing or EJB)....
on Jan 3, 2010
Do you know EnumSet? No? Then you should take the time to look at this sample code. EnumSet allows writing of really eloquent Java source code. Run the following code and watch its result printed on the screen. Then check the below source code to find out how it works. The source code particulary makes use of (at least) the following features introduced in Java 5: enum keyword The enum keyword...
on Jan 3, 2010
The next edition of my CS1/Java book is going to print soon. At the last minute, we decided to put the real estate of the inside covers to good use and include a “cheat sheet” with the most important Java control structures and libraries. Since it would be particularly embarrassing to have a typo here, I am hoping to enlist the aid of the community. PDFs for the inside covers are...
on Oct 6, 2009
This semester, I am teaching the CS1 course again. If you just teach plain Java, it isn't easy to come up with interesting lab assignments. Some of the students have built exciting animations with Alice in the CS0 course. Somehow, they aren't as excited about printing prime numbers or digits of π in CS1. But the latest version of Alice, now in beta, can be programmed in Java. This is very cool...
on Sep 28, 2009

Community

In November, Servlet 3.0 Specification Lead Rajiv Mordani, and I started providing technical advice to the team at Sun developing the successor to the Sun Certified Web Component (SCWD) certification exam. This new exam covers Java EE 6, including JSF 2. All this week, the work will continue in the form of an offsite workshop at the mansion. To help ensure the highest quality exam possible (and...
on Dec 18, 2009