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The J2EE 1.4 Standard

Here are the significant changes incorporated in the J2EE1.4 specification when compared to the previous technology.

Java Servlet 2.4

The Java Servlet 2.4 represents a relatively small upgrade with small enhancements and clarifications to the prior version 2.3. Here are the changes:

• The deployment descriptor for the servlet 2.4 now uses the XML schema instead of the DTD.

• New attributes are added in the RequestDispatcher for the forward method.

• SingleThreadModel interface is deprecated.

• New methods are added to the ServletRequest interface and the ServletRequestWrapper.

• The HttpSession.logout method is removed.

• Servlets now require HTTP/1.1 and J2SE (Java 2 Platform, Standard Edition) 1.3 or higher and can work with J2EE 1.4. ...