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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.
Write an XHTML document that uses JavaScript code to do the following. The user is first prompted for a word and then for a possible prefix for that word. If the prefix is not an
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Differentiate between SMTP and POP3 server? SMTP (Simple Mail Transfer Protocol) is a protocol used to send and receive eMail messages over a TCP/IP network. While POP3 (Post
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Write a program on Filling Rectangles ? The drawRect() method draws an open rectangle, a box if you prefer. If you need to draw a filled rectangle, use the fillRect() method. O
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For your project, you will be designing a payroll system for a company. The company will use the system to generate payroll reports based on different kinds of employees in the com
Program 1. Write a Java program to display the first 20 Fibonacci numbers Program with Fibonacci sequence of first 20 terms Output 2. Write an applet progr
To use the DispatchAction, follow these steps: ? Make a class that extends DispatchAction (instead of Action) ? In a new class, add a method for each function you need to per
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