Java EE Tutorials Servlets Tutorials Servlets Interview Questions javax.servlet.ServletInputStream and javax.servlet.ServletOutputStream are abstract classes. These classes define several key methods that the other stream classes implement. Two of the most important methods are read( ) and write( ), which are used for reading the client request and writing servlet response to client respectively. ServletInputStream The […]

Java EE Tutorials Servlets Tutorials Servlets Interview Questions First let us list the differences between the forward() and sendRedirect() methods. Then we will see an example for each: forward() sendRedirect() The forward() method is executed in the server side. The sendRedirect() method is executed in the client side. The request is transfer to other resource […]

Java EE Tutorials Servlets Tutorials Servlets Interview Questions Hypertext Transfer Protocol (HTTP) is an application-level protocol for common hypermedia information systems. It is a request/response protocol between clients and servers. It is a generic stateless protocol, used to transfer hypertext. HTTP Status Codes Status Codes are used by the client application to know the status […]

Java EE Tutorials Servlets Tutorials Servlets Interview Questions The SingleThreadModel interface was designed to guarantee that only one thread is executed at a time in a given servlet instance’s service method. It is a marker interface and has no methods. This interface is currently deprecated, excerpts from the Java Doc: Deprecated. As of Java Servlet API […]

Java EE Tutorials Servlets Tutorials Servlets Interview Questions Web Architecture Models Different programmers may design an application in different ways. Designing an application depends on how the programmers recognize the problem and approaches for solving that problem. A development model facilitates the design process by separating the code according to the functions performed by different […]

This tutorial post highlights the important difference between JSP and Servlet technologies. Servlet and JSP are the two key Java server side technologies that are building blocks for any of the Java web frameworks. It is important to know the difference between these two technologies. This is one of the fundamental concept that confuses the many […]

Java EE Tutorials Servlets Tutorials Servlets Interview Questions In this article we will see about ServletConfig Interface and how it works. The config object is created by the web container based on the initialization parameters specified in the deployment descriptor. It is used to send information to a servlet during initialization. Now let see the […]

Java EE Tutorials Servlets Tutorials Servlets Interview Questions In this article we shall see how to redirect your current page to some other page. The easiest way to achieve this is by using the sendRedirect() method of class javax.servlet.http.HttpServletResponse. sendRedirect() method redirects your current page to another servlet or jsp page. This method is used […]

Java EE Tutorials Servlets Tutorials Servlets Interview Questions Request Dispatcher While developing web applications we need to distribute the request processing and response generation to multiple servlet objects. So we need to dispatch requests from one component to another component. This can be done by using RequestDispatcher interface. RequestDispatcher interface is implemented by servlet container […]

Java EE Tutorials Servlets Tutorials Servlets Interview Questions Servlet Context is used to communicate with the servlet container to get the details of web application. It is created at the time of deploying the project. There is only one Servlet Context for entire web application. Servlet Context parameter uses <context-param> tag in web.xml file. Methods of […]