The Metro Web services stack is based on the reference implementations of the JAXB 2.x and JAX-WS 2.x Java™ standards but also includes support for a full range of WS-* SOAP extension technologies.

Start with a Java applet and build a server-based proxy system that uses your browser to access an arbitrary Web service. You'll use JavaScript code to access applet-based information and call a servlet, which retrieves the remote information. Thus, you bypass the same-server restrictions on what an applet can and cannot do.

A query for persistent Java™ objects is typesafe if a compiler can verify it for syntactic correctness. Version 2.0 of the Java Persistence API (JPA) introduces the Criteria API, which brings the power of typesafe queries to Java applications for the first time and provides a mechanism for constructing queries dynamically at run time. This article describes how to write dynamic, typesafe queries using the Criteria API and the closely associated Metamodel API.

This article gives you a hands-on introduction to developing for and deploying on the Amazon Elastic Compute Cloud (EC2). Learn how EC2 differs from Google App Engine, and leverage an Eclipse plug-in and the concise Groovy language to get a simple Web application up and running quickly on EC2.

Porting great infrastructure to OSGi often means solving complex classloading problems. This article is dedicated to one of the the hardest issues in this area: dynamic code generation.

The Metro Web service stack provides a comprehensive solution for accessing and implementing Web services. It's based on the reference implementations of the JAXB 2.x and JAX-WS 2.x Java™ standards, with added components to support WS-* SOAP extension technologies and actual Web service deployment.

This article examines how Azul's collector works, and explores some techniques you can use to test the impact of garbage collection in your applications.

This article introduces the ColdSpring dependency injection framework for ColdFusion. It explains what ColdSpring is, and how you can use it to solve common software development problems. It also highlights some additional capabilities that ColdSpring brings to the table, such as aspect-oriented programming and remote proxy generation.

If you're a Java programmer coming to Dojo with little or no experience of JavaScript, chances are you're going to struggle with some of the concepts that enable it to work. The main concerns with Dojo are that — at the time of writing — it is still in its infancy (version 1.0 was only released in February 2008) and the documentation available is still somewhat limited. This article helps you bridge the gap from Java code to Dojo so that you can get up to speed quickly and use the toolkit when developing your applications.

Lack of native Java™ support in the Facebook Platform needn't be an obstacle to building third-party Facebook applications in the Java language. This article shows how to create a Facebook app, implement it in Java, and deploy it on Google's App Engine service.