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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.
JSP simply gives a Page which may contain markup, embedded Java code, and tags which encapsulate more complicated logic / html. JSF may use JSP as its template, but gives much more
To simplify complex class diagrams you may group classes into packages.
which concept is used to connect the networking in java
How can I connect my java application with xampp
Explain the equals() method The equals() method of java.lang.Object acts the similar as the == operator; that is, it tests for object identity rather than object equality. The
If we have 2 tables like bankcustomer(cid,cname,addr,acc_type) and customeraccount(cid,amount). How to Deposit amount into the given customer account.?
What is White Space? explain proper use of white space in java? White space consists mainly of the space character in which you generates through hitting the space bar on your
JMS is asynchronous in nature. Therefore not all the pieces need to be up all the time for the application to function as a whole. Even if the receiver is down the MOM will kept th
i want the program
a. Write an application for a video store. Place the names of 10 of your favorite movies in a combo box. Let the user select a movie to rent. Let the user select a movie to rent. D
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