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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:
Viewing a User's Wall Where your project allows you to view a user's profile, your ZHTML must provide the following capabilities: 1. Provide a Wall for that user profile, dis
Write a function that draws a cow at a certain location on the screen, and use the function to draw a herd of cows
Requested figure handle in use by another object, how do i fix this?
Struts is depend on model 2 MVC (Model-View-Controller) architecture. Struts controller uses the command design pattern and the action classes use the adapter design pattern. The p
pebble merchant
public class Tester { static void test(int[] a) { int[] b = new int[2]; a = b; System.out.print(b.length); System.out.print(a.length); } public static void main(String[] arg
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Use a FOR loop and give me the largest number divisible by 7 11 13 17 use the number from 1 to 10000 (or even 100000)
Iterate through list of Fish. For each fish that isAlive, do the following: * * 1. If this fishIsSurroundedByRocks, DO NOTHING, and move on to the next fish. * (This f
Diffentiate Local and Global Variables? Local or function level variable effective just in the function in that they are declared although global variables visible everywhere o
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