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EJB elements operate inside a container environment and rely heavily on the container to give security. The four key services needed for the security are:
1. Identification: In Java security APIs this identifier is define as a principal.
2. Authentication: To show the identity one must present the credentials in the form of password, digital certificate, swipe card, finger prints etc.
3. Authorization (Access Control): Every secured system should limit access to particular users. The common route to enforce access control is by maintaining security privileges and roles.
4. Data Confidentiality: This is performed by encryption of some sort. It is no good to shield your data by authentication if someone may read the password.
The EJB specification services itself exclusively with authorization (access control). An application using EJB may specify in an abstract (declarative) and portable way that is allowed to access business functions. The EJB container accepts the following actions:
The different types of actions in Struts are: ? DispatchAction ? LookupDispatchAction ? ForwardAction ? SwitchAction ? IncludeAction
Component classes generally move the task of generating output to the renderer. All JSF components follow it. Render kit is a set of related renderers. javax.faces.render.RenderKit
Project Description: Develop an android service app that will run on the background. The app has to get the users location (longitude and latitude) every 5 minutes or when th
How can I connect my java application with xampp
Short string into alphabetical order
Explain The Applet in java? The reason people are excited about Java as more than just another OOP language is because it allows them to write interactive applets on the web.
What are Access Specifiers available in Java? Java has four access specifiers, which are enlisted below: Public: public methods, classes and fields can be accessed by ever
What are the principle concepts of OOPS? Principle concepts upon that object oriented programming and design rest. They are: Abstraction: Abstraction refers to the act of
I need to get how to start the java program to evaluate the simillarity.
how soon can you complete a project?
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