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Java has two kinds of exceptions:
1. Checked exception: handled from java.lang.Exception but not java.lang.RuntimeException.
2. Unchecked exception: handled from java.lang.RuntimeException thrown by JVM.
EJB has two kinds of exceptions:
1. System Exception : is an unchecked exception produced from java.lang.RuntimeException. An EJBException is an unchecked exception, which is started from java.lang.RuntimeException.
2. Application Exception : is generic to an application and thrown because of violation of business rules. An Application Exception is a checked exception that is either described by the bean developer and does not import java.rmi.RemoteException.
A System Exception is given by the system and is not recoverable. Because the System Exceptions are unpredictable when they occur, the EJB container is the only one responsible for trapping the System Exceptions. The container usually wraps any RuntimeException in RemoteException, which subsequently puts thrown to the caller. In addition to intercepting System Exception the container can give the errors.
AskWrite an application that uses an Array to store 10messages of type String. You will store this Array with 10 messages of your choosing. For example, a message could be “I love
RMI- Remote Method Invocation.
identify the possible classes and methods in the classes which can be used in a sales tracking system for a fast food restaurants
What is numeric promotion? Numeric promotion is the conversion of a smaller numeric type to a larger numeric type, so that integer and floating-point operations may take place.
main topic of jsp
Java Server Page is a standard Java extension that is described on top of the servlet Extensions. The goal of JSP is the simplified formation and management of dynamic Web pages. J
flow chart of train reservation system
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
Explain the Member Access Separator ? class Car { String licensePlate; // e.g. "New York 543 A23" double speed; // in kilometers per hour double maxSpeed; // in
Write a program that takes as input a sequence of transactions of the form
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