Javalobby | The heart of the Java developer community

adam bien10/20/10
4860 views
5 replies

Trouble With Crippled Java EE 6 APIs in Maven Repository And The Solution

If you try to load the javax.persistence.EntityManager class coming from standard java.net Repository you will get the following Exception:

Alex Collins10/20/10
5720 views
0 replies

Maven 3 released

In case you haven't noticed, Apache have released their much-anticipated update to the outstanding project management and build tool, Maven.

James Sugrue10/20/10
6511 views
1 replies

Debugging Android: Using DDMS To Look Under The Hood

While working on an Android application recently, I ran into some problems, and was finding it difficult to work out what was actually going on in the emulator. As I'm using Appcelerator for my app development, I didn't have the luxury of using the built in...

Loiane Groner10/20/10
17505 views
4 replies

Tutorial: Linked/Cascading ExtJS Combo Boxes using Spring MVC 3 and Hibernate 3.5

This post will walk you through how to implement ExtJS linked/cascading/nested combo boxes using Spring MVC 3 and Hibernate 3.5. I am going to use the classic linked combo boxes: state and cities. In this example, I am going to use States and Cities from...

Jay Fields10/20/10
4287 views
0 replies

Clojure: Another Testing Framework - Expectations

Once upon a time I wrote Expectations for Ruby. I wanted a simple testing framework that allowed me to specify my test with the least amount of code.Now that I'm spending the majority of my time in Clojure, I decided to create a version of Expectations for...

Matt Stine10/19/10
14413 views
5 replies

Automated Browser Testing: What's in Your Toolkit?

It's been awhile since we've had a good poll here on Agile Zone, so here's a question for you: What do you use for automated browser testing? I'm in the midst of preparing several talks for the upcoming Rich Web...

Sebastian Herold10/19/10
16769 views
4 replies

Spring 3 WebMVC - Optional Path Variables

Introduction To bind requests to controller methods via request pattern, Spring WebMVC's REST-feature is a perfect choice. Take a request like http://example.domain/houses/213234 and you can easily bind it to a controller method via annotation and bind path...

Yohan Liyanage10/19/10
9155 views
9 replies

Know the JVM Series – 1 – The Uncaught Exception Handler

The Java API, backed by the JVM provides tons of features and facilities to Java developers, which could be used to get things done easily for certain specific scenarios. However, these features are often overlooked by developers, mainly due to the lack of...

Mitch Pronschinske10/19/10
5996 views
0 replies

Better CDI/JSF/XHTML Validation in JBoss Tools 3.2 1st Beta

The Helios (Eclipse 3.6)-based version of JBoss Tools is now entering the beta stages, so the addition of new features after today's release will be minimized. This release has focused on stabilization by adding numerous bugfixes and optimizations to the...

Jorge Ramon10/19/10
5475 views
0 replies

Using Backgrounds and Borders in BlackBerry Super Apps

The use of field background colors and rounded borders is a great way to enhance the user experience in your BlackBerry applications. Let’s examine how to create a screen with a nice linear background, and a rounded border for the region that contains...

Mitch Pronschinske10/19/10
13075 views
0 replies

Advice for Successful DDD

A lot of today's software systems have non-functional requirements that preclude a single-database model.

James Sugrue10/19/10
6988 views
1 replies

Getting to Know Solr

For those of you interested in adding search functionality into your Java based applications, this week's refcard, Apache Solr: Getting Optimal Search Results should be of interest to you. Solr is the HTTP-based server product of the Apache Lucene Project.

Alexander Radzin10/19/10
28482 views
10 replies

Enum Tricks: Dynamic Enums

Introduced to Java 1.5, Enum is a very useful and well known feature. There are a lot of tutorials that explain enums usage in details (e.g. the official Sun’s tutorial). Java enums by definition are immutable and must be defined in code. In this...

Rickard Oberg10/19/10
4142 views
0 replies

REST and the Missing Link

This morning I was thinking some more about the topic in the previous post, and was also doing some refactoring of our client code to be more RESTish. I had some cases where previously I had been thinking along the "usual" way of doing things,...

Muhammad Khojaye10/19/10
16830 views
13 replies

Getter Setter: To Use or Not to Use

Java Getter Setter Why do we keep instance variables private? We don’t want other classes to depend on them. Moreover it gives the flexibility to change a variable’s type or implementation on a whim or an impulse. Why, then do programmers automatically...