Servlet API

The javax.servlet and javax.servlet.http packages represent interfaces and classes for servlet api. Let’s see what are the interfaces of javax.servlet package.

Interfaces in javax.servlet package

There are many interfaces in javax.servlet package. They are as follows:

• Servlet
• ServletRequest
• ServletResponse
• RequestDispatcher
• ServletConfig
• ServletContext
• SingleThreadModel
• Filter
• FilterConfig
• FilterChain
• ServletRequestListener
• ServletRequestAttributeListener
• ServletContextListener
• ServletContextAttributeListener

Classes in javax.servlet package

There are many classes in javax.servlet package. They are as follows:

• GenericServlet
• ServletInputStream
• ServletOutputStream
• ServletRequestWrapper
• ServletResponseWrapper
• ServletRequestEvent
• ServletContextEvent
• ServletRequestAttributeEvent
• ServletContextAttributeEvent
• ServletException
• UnavailableException

Interfaces in javax.servlet.http package

There are many interfaces in javax.servlet.http package. They are as follows:

• HttpServletRequest
• HttpServletResponse
• HttpSession
• HttpSessionListener
• HttpSessionAttributeListener
• HttpSessionBindingListener
• HttpSessionActivationListener
• HttpSessionContext (deprecated now)

Classes in javax.servlet.http package

There are many classes in javax.servlet.http package. They are as follows:

• HttpServlet
• Cookie
• HttpServletRequestWrapper
• HttpServletResponseWrapper
• HttpSessionEvent
• HttpSessionBindingEvent
• HttpUtils (deprecated now)

Servlet Related Posts

1. Java Servlets Overview
2. Servlet Life Cycle
3. Servlet Example
4. Difference between ServletConfig and ServletContext
   
5. Difference between GenericServlet and HttpServlet
   
6. What is web application?
7. Advantages of Servlets over CGI
8. GenericServlet Example
9. RequestDispatcher Example
10. ServletConfig
11. ServletContext
12. Servlet Filter Example
13. Database Access Example using Sevlet
14. File Uploading Example using Servlet