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Professional J2EE Programming with BEA WebLogic Server by Paco Gomez, Peter Zadrozny

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By Paco Gomez, Peter Zadrozny

The Java 2 company version (J2EE) specification is considered one of Java's good fortune tales; a typical for company net program improvement that has huge support.J2EE is largely a set of standards for internet providers, company items, facts entry, and messaging. They outline the best way net functions speak with the servers that host them. J2EE makes a speciality of issues - making a usual that permits internet functions to be moveable among servers, and giving the server keep watch over of part lifecycle and different assets, so that it may well deal with problems with scaling, concurrency, transaction administration, and security.This ebook relies round probably the most renowned J2EE and EJB implementations, BEA WebLogic Server. The authors paintings for BEA in Europe, delivering technical aid for customer's implementations of Weblogic-based suggestions. they've got first-hand wisdom of the sensible problems builders face in utilising J2EE and WebLogic to their initiatives, and in debugging and trying out those purposes. This booklet is a distillation in their real-world services.

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Null) && { %><%= userrwune %><% i++) ( ! usernaine. equals ( " " ) )) %> !!! <%}% > The resultant JSP page will look like this: Introducing JavaBeans Another important element in a Java-based web application is the JavaBean. A JavaBean is simply a Java class that conforms to certain patterns - has a public, no-args constructor, provides get/set methods to work with its properties and is serializable. For web applications, a JavaBean is a component that will typically encapsulate state.

The first character of every word is in upper case. The names are suffixed according to the class type: Class Type Suffix Example Servlet S Customer-Lists Stateless session bean SL Order Services SL Stateful session bean SF OrderSF Entity bean EB OrderMasterEB In the case of JSP pages, as they are just a filename, they are identified by the . j sp extension. Registered names inJNDI (Java Naming and Directory Interface) or the servlet engine, which are used to look up the Java classes at runtime, are the same as the corresponding class names.

Additionally, since he is the boss of IT, now he gets to make all the decisions in what hopefully is a less politically charged environment. Chapter 2 Pizza2Go For the purposes of this book, Mr Chairman of the Board runs a company called Pizza2Go, a chain of pizza outlets where you can place orders via telephone or just walk in. None of the outlets are restaurants, just a place to cook up your order and pick it up, if you so decide. Pizza2Go has almost 300 outlets in the US, about 25 in Canada (including French-speaking Quebec) and 8 outlets in Mexico.

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SHOP.AGUARDIENTECLOTHING.COM Books > Client Server Systems > Professional J2EE Programming with BEA WebLogic Server by Paco Gomez, Peter Zadrozny
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