28. Web Services in Java
A client is to me a mere unit, a factor in a problem.
—Sir Arthur Conan Doyle
They also serve who only stand and wait.
—John Milton
...if the simplest things of nature have a message that you understand, rejoice, for your soul is alive.
—Eleonora Duse
Protocol is everything.
—Francoise Giuliani
Objectives
In this chapter you will learn:
• What a web service is.
• How to publish and consume web services in NetBeans.
• How XML, JSON, XML-Based Simple Object Access Protocol (SOAP) and Representational State Transfer (REST) Architecture enable Java web services.
• How to create client desktop and web applications that consume web services.
• How to use session tracking in web services to maintain client state information. ...
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