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In this article I would like to say something about technologies we are currently working in for our diploma work. Java Java is the technology which grows on poplularity in these times.. I like this language a lot because it's quite simple and very easy to understand.. It's all object-oriented which gives you the main advantages of Object Oriented Programming (OOP) - encapsulation, inheritance and polymorphism. When you write one class, you can reuse it in many other applications - inherit the existing application and overload the methods. Java can be used also as an applet showing on a website. These applets have some decreased capability, because of the security reasons.. JSP JSP alias Java Server Pages, is Sun Microsystem's technology for the server-side dynamic web pages development.. There is also a way you can develop a web applications - the technology of servlets, but all the time you make some change in code, you have to recompile the whole servlet class. JSP does it automatically.. all the work for you is doing the application server, which can be JBoss, Tomcat or whatever else.. I like on JSP the fact, that it is more secure than any other technologies - like PHP, ASP and so on.. If I'd write some web with increased security, I would choose definitely the JSP or any other Java technology. JSP provides you with the whole Java API, so you can use any method from Java language.. if is it some XML parsing or JDBC database conection.. it's universal.. EJB The Enterprise Java Beans is the Sun's technology for creating the reusable, distributed java-based components.. You can access these components from everywhere using RMI (Remothe Method Invocation) which you can map to your application through the JNDI (Java Naming and Directory Interface) .. That way you can work with objects which are not on your server.. All you have to know is the interface specification from the owner of the bean and the permission.. Hibernate Hibernate is powerful, object/relational persistence for Java objects. It speeds up the development process and simplifies the communication with persistence object, with no or minimal need to use the native SQL code. Using hibernate was the reaction of Container managed persistence (CMP) used before on J2EE platform with entity beans, which seemed to be slow and non effective. Creating persistent object is simple.. You create the main Class for the object - for example the file Customer.java which contains the main attributes like name, surname, etc. Then you create the mapping file Customer.hbm.xml, which is an xml file with the main attributes telling Hibernate how to map your class to the relational database. library information system in JSP, EJB, Struts and Hibernate NataLi project < Prev   Next >

 

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