Category Archive: Java/JEE

May
24

What’s JEE and which are their APIs?

JEE : Java Enterprise Edition (ex J2EE) is a specification of Java Sun technique for enterprise applications. These apllications are designed in a multi-levels approach. To do this, each implementation of this specification contains a set of  Java Standard framework extensions to make easy the creation of distributed applications. Servlet : Component reprensting the C of MVC paradigm Portlet : Web container (extension …

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May
23

What is Hibernate?

Hibernate is a an object/relational mapping framework, it allows to manipulate data from a relational database as objects. As a framework, it uses many files of mapping and settings.   See also :

May
23

Which are the struts tagLibs?

They are four : Bean : they are useful to define new beans in any scope and from many resources, as well as a tag to render a particular bean or property to the output response. HTML : they are used to create HTML form, and to create a HTML code based user interfaces. Logic …

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May
23

What’s difference between directive and action?

Directive :  it affects the jsp page where it is placed and only this page. Therefore, it affects the entire structure of the resulting servlet. Action : it affects the behavior during the execution of the page. See also :

May
23

What is servlet, what is jsp?

Servlet : it is a Java class allowing to create data dynamically in an HTTP server. Data created can be presented under HTML format, XML format or any other supported browser format. Servlet runs dynamically in the server and extends their functions : database access, e-commerce transactions… Servlet is loaded automatically in the server and stay active waiting …

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