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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 is the default modifiers for methods in interface
a program that groups items according to their number
any one out there with Boggle Source code?......i really need it guys please.
Differentiate uni-Processor OS from Multi-Processor OS? Uni-processor OS : Uni-processor OS'es is designed to schedule tasks on a single uPs just whereas Multiprocessor O
#quThis project is based on the teams example of chapter 1. Instead of teams, you will consider employees working in a department in a company. (Departments and employees are ana
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I want a Script developer who will make script for me and if you can show good works there are bonuses too. Skills required are Facebook Marketing, Java, Javascript, PHP, and Sc
Question 1: a) What is the meaning of an object-oriented programming? b) List eight simple types of data in Java c) Explain how objects and classes are closely related.
What is Inheritance in java Explain with example? Code reusability is claimed to be a key advantage of object-oriented languages over non-object-oriented languages. Inheritance
Debugging mode can be enabled by adding the following line of code before creating new connections: XMPPConnection.DEBUG_ENABLED = true; When debugging mode is enabled, a
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