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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.
If I have a boolean array that contains 30 elements (boolean[] fish), how do I go about isolating every 10 elements to use for something specific? Say there are 30 types of fish s
In the airplane program, you may have noticed that the loading of each image appears to be jerky, erratic, or slow, and that the URL for each image flickers in the status bar each
Project Description: Two co-founders are in search of a developer to join us to launch a tech startup. We have experience at fortune 500 companies, elite consulting firms, etc.,
Defines to keeping all the related members together in an object. Specifying member variables as private may hide the methods and variables. Objects should hide their inner working
1. Obtaining the new script: Download and save the attached comment CGI mailer script form-mail2.pl to your server''s cgi-bin directory, and change the permissions on the script to
Which models are supported by JMS? Please, explain them. Ans) Publish or subscribe (pub/sub). This model permits a client (publisher) to send messages to a JMS topic. These mess
What is synchronization and why is it important? With respect to multithreading, synchronization is the potential to control the access of multiple threads to shared resources.
What is meant by universal access of internet services ? the meaning of Universal access of internet services means same functionality to everyone.
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