Java Tutorials

This chapter shows how JBoss portal blends the dynamism and rich functionality offered by AJAX with its strong portal architecture, to provide users with choices for developing highly-functional portal applications. It also discusses the limitations of the current specification and walks through an example that shows how easy it is to develop and deploy AJAX-based portlets.

Learn how to build your first GUI program using Java. It uses Swing framework, but since its for the beginners, fits well in the Java Basics category.

Learn how to upload a file in Struts 2 with the help of the built-in FileUploadInterceptor. You will also see how to validate a file based on the file size and the content type.

Introduction to Functional Testing JMeter is found to be very useful and convenient in support of functional testing. Although JMeter is known more as a performance testing tool, functional testing elements can be integrated within the Test Plan, which was originally designed to support load testing. Many other load-testing tools provide little or none of this feature, restricting themselves to performance-testing purposes. Besides integrating functional-testing elements along with load-testi

Introduces Variables and how to display them via concatenation.

Learn how to create fully fledged 3D applications that integrate seamlessly with a web browser using Java, WebStart and Irrlicht.

Learn to use Java's built in LinkedList class to easily and quickly create Linked Lists.

In this example you will see how to perform validations using XML validation file. You will learn the naming convention for the XML validation file and see how to do field validations.

In this tutorial you will learn how to use a application domain object as the FormBeans property. You will see how the params interceptor help in automatically transferring the form property values to the application domain object and how to retrieve the values back in the jsp page using OGNL expression language.

In this tutorial you will learn about the ValueStack and the ActionContext and then see how to use the property tag, the set tag and the push tag to store and retrieve data.