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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.
What Can an Applet Do? An applet can: • Draw pictures on a web page • Create a new window and draw in it. • Play sounds. • Receive input from the user by the keyboard or
solve the string public int expression("10+20+30")
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Message is a light weight message having only header and properties and no payload. Therefore if the If the receivers are to be notified about an event, and no data requires to be
What is the preferred organizational structure for the organization? The Network Organization is becoming the preferred organizational structure.
What is output of the following JavaScript code? Str="Virtual University of Pakistan"; document.write(str.substring(5,str.length)) ;
This assignment is a good project for working with 2 dimensional arrays. In this program, you will implement an ascii version of the classic game "Connect 4". Connect 4 is a 2 p
Need support Display TIFF in Internet Explorer without ActiveX plugin I would like to get a client side viewer designed that permits user to view TIFF files on IE 8 and IE 9 bro
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