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Young Yang

Young Yang has a Ph.D in mathematics and works in software, consulting and corporate IT as a tech lead, architect, development and project manager. He is a PMP and Six Sigma Green Belt, and was certified by IBM on e-Business Design, DB2 Administration, Business Intelligence, XML and Related Technologies, and WebSphere Application Server; by Bea on WebLogic Application Server; and by Sun as an Enterprise Architect among others.



Web services seem like they should be an enterprise topic, yet JAX-WS 2.0 is part of Java SE, not EE. One of the upshots of this is that you can create web services without needing a full-blown Java EE container. Young Yang shows how this works in practice.
XML Signature is an important enabling technology for WS-Security, verifying that an XML document has not been altered since it was signed. In this article, Young Yang looks at how JDK 6's implementation of JSR-105 offers XML Signature technology to Java developers.
Web services are remote by their very nature, and thus prone to significant delays. One approach to mitigate this effect is to move to asynchronous web service calls. Young Yang shows how JAX-WS 2.0 makes this easier.