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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:
What are the different messaging paradigms JMS supports? Ans) Publish and Subscribe i.e. pub/suc and Point to Point i.e. p2p.
Translate Four Row Solitaires from Java Swing to Android. Project Description: There is a product known Four Row Solitaire listed in GitHub. I would like Swing GUI to be repl
In this assignment you work on a set of tasks with the classes Currency, Money and Bank. Money and Currency You have been given a template for the Currency and Money classes (Lab1.
BeanFactory has many executions in Spring. But one of the most useful one is org.springframework.beans.factory.xml.XmlBeanFactory, which loads its beans based on the definitions ha
WHY WE USE JAVA PROGRAMMING LANGUAGE EXPLAIN IT
assignment
What are the advantages of multimedia presentations? Write any five. Following are the benefits of multimedia presentations: • Great tool for efficiently communicating ideas
Describe even higer dimensions in java? You don't have to stop along with two dimensional arrays. Java allows arrays of three, four or more dimensions. Therefore chances are pr
ActionForm is javabean which shows the form inputs containing the request parameters from the View referencing the Action bean.
what is the default modifiers for methods in interface
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