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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.
An application server creates data for a Web server - as, collecting data from databases, processing security checks, applying relevant business programs, and/or storing the state
The Naming class gives methods for storing and obtaining references to remote objects in the remote object registry.
Application Rewrite Project Description: There is an app that I want to be rewritten in order to support multiple profiles. The App is an OTP generator. It is required to
definition
The method should printout line numbers from 1 to howmany in the previous format -ONLY WHEN is divisble by 3 but is should not oupt more then 3 numbers on the line. input 1 outpu
Explain Drawing Rectangles in java ? Drawing rectangles is easy. Begin with a Graphics object g and call its drawRect() method: public void drawRect(int x, int y, int width, i
Describe advantage of the event-delegation model over the earlier event-inheritance model ?
Create a thread in either a C or a Java program and run it. The thread should read a keyboard value "x" and exit from the code, or it can also use an "ESC" to exit. That is, the t
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Question 1 What are the different types of data types in java? Question 2 Write a note on Operator Precedence Question 3 Write a note on Random access files
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