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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:
Explain the Reading documentation for a class in the class library For instance, let's suppose you need to use the URL class in the java.net package. Through reading the docume
Write a JavaScript program which having two functions that are sum and mean. The web page will ask the user to enter five values to be added. After taking input it will compute
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A value, the data assigned to a variable, may contain any sort of data. Though, JavaScript considers data to fall into many possible types. Based on the type of data, certain opera
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Project Description: I need someone to prepare an android app for me and provide it to me asap. The app details to be provided on pm Skills required: Java, Android
Q. Write short on the method over ridding method in java? Ans. Method over ridding and dynamic binding: We have seen that a method in a super class is inherited by its subclass
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