What is a filter?

A filter is used to dynamically intercept request and response objects and change or use the data present in them. Filters should be configured in the web deployment descriptor. Filters can perform essential functions like authentication blocking, logging, content display style conversion, etc.

FAQ Category: Servlet

How can you invoke a defined method of an abstract class? Java interface

Similar FAQ:

• Difference between JSP include directive and JSP include action
• What is servlet mapping?
• How to avoid IllegalStateException in java servlet?
• Explain the JSP Implicit Objects
• What is preinitialization of a java servlet?