Day: August 5, 2020

Watch “Servlet Part-11 (Redirection in Servlet)” on YouTube

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Servlet Redirection :

  • Local resource like servlet, jsp or html page etc.
  • Resource outside of our domain/application
  • Example of searching Google from out application

Servlet Redirection can be used to transfer/forward control to Local resource like servlet, jsp or html page etc., It can also used to transfer/forward the Resource outside of our domain/application. Here there is an example to transfer request from one servlet to anohter servlet when client request the first servlet. This example also demonstrate how it refers the another html page for redirection. And finally this example also demonstrate a trick to search Google directly from our application.

OS : Windows 10
Jdk : Version 8
IDE : Eclipse Mars
Server : Apache Tomcat 7

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Watch “Servlet Part-10 (Demo of Request Object Methods)” on YouTube

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Demonstration of HttpRequest object methods, such as getRemoteAddr(), getRemoteHost(), getQueryString(), setAttribute(), getAttribute(), getAttributeNames(). To check all these method its is suggestible to create html/jsp page that will call/execute/request the servlet which will be using above methods.

OS : Windows 10
Jdk : Version 8
IDE : Eclipse Mars
Server : Apache Tomcat 7

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Watch “Servlet Part-9 (Enumeration to Read Headers and Parameters)” on YouTube

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A request object of servlet consist the client information , such as client header information and client input parameters.
Here, Enumeration is used to read the values of client headers (list of headers) and to read the values of parameters (list of input parameters).

OS : Windows 10
Jdk : Version 8
IDE : Eclipse Mars
Server : Apache Tomcat 7

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Watch “Servlet Part-8 (Servlet Context and Servlet Config parameter)” on YouTube

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Servlet Context parameters are application wide parameter (such as global variables) accessible through out web application, any servlet or Jsp page can access these parameters, and there is only one copy of such parameters per web app.

These parameters are to be configured in web.xml file in java web application.

Servlet config parameters are specific to the servlet for which is declared, it is local for that servlet. These parameters are private to each servlet. These parameters are also configured in web.xml (inside servlet tag).

OS : Windows 10
Jdk : Version 8
IDE : Eclipse Mars
Server : Apache Tomcat 7

follow me @
https://raviroza.wordpress.com/
https://twitter.com/raviozaIT
https://www.facebook.com/ravi.oza.it

Subscribe my channel to get latest video notification https://www.youtube.com/user/ravioza101