Contact Us


foxyform

Popular posts from this blog

What is Struts Framework?

Image
 ` Q: What is Jakarta Struts Framework? A: Jakarta Struts is open source implementation of MVC (Model-View-Controller) pattern for the development of web based applications. Jakarta Struts is robust architecture and can be used for the development of application of any size. Struts framework makes it much easier to design scalable, reliable Web applications with Java. Q: What is ActionServlet? A: The class org.apache.struts.action.ActionServlet is the called the ActionServlet. In the the Jakarta Struts Framework this class plays the role of controller. All the requests to the server goes through the controller. Controller is responsible for handling all the requests.    Q: How you will make available any Message Resources Definitions file to the Struts Framework Environment? A: Message Resources Definitions file are simple .properties files and these files contains the messages that can be used in the struts project. Message Resources Definitions files can...
Read more

HOW TO ACCESS SESSION IN STRUTS 2 WITH EXAMPLE

Some of my friends are confused, how to deal with session in struts2, because struts 2 is Servlet API independent. We will try to understand all possible way to deal with session. You can obtain the session attributes by asking the ActionContext or implementing SessionAware. Implementing SessionAware is preferred. Using ActionContext: getContext()  static method of ActionContext return instance of ActionContext, on which getSession() method  is called which return Map of HttpSession value. Map attmap = ActionContext.getContext().getSession(); Now get(), put() and remove() method of Map is used for getting, putting and removing attribute in session scope.
Read more

Why java uses both compiler and interpreter?

The JVM runtime executes bytecode by interpreting it or using a just-in-time compiler (JIT). The Java compiler translates Java source code into a platform independent language called Java bytecode. Although bytecode is similar to machine language, but it is not the machine language of any actual computer. A Java interpreter or a just-in-time compiler (JIT) is used to run the compiled Java bytecode . Each platform needs its own Java bytecode interpreter, but all these interpreters interpret the same bytecode . JIT compiling, not interpreting, is used in most JVMs today to achieve greater speed.
Read more