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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.
10.13 (CarbonFootprint Interface: Polymorphism) Using interfaces, as you learned in this chapter, you can specify similar behaviors for possibly disparate classes. Governments and
Determine the types of object oriented programme Classes - Prototypes for objects - Definition or a blueprint of a user-defined datatype - Think of it as a ma
Question 1: (a) Describe two reasons driving the termination of processes. (b) Discuss the five main steps the OS would implement once it has decided to create a new proc
Describe Inner Classes in java? An inner class is a class whose body is described inside another class, referred to as the top-level class. For instance: public class Queue {
LookupDispatchAction is useful if the method name in the Action is not driven by its name in the front end, but by the Locale independent key into the resource bundle. As the key i
No, java is not fully object oriented language due to it does not support "multiple inheritance" and "pointers" which are used in C++. But, by using Interfaces we can execute multi
Write names of the DoS attack's phases? DoS (Denail of service): DoS attach has in total 3 kinds of phases and below they are listed: 1. Search 2. Arm 3. Attack
Project Description: (1) I want a comprehensive list of Australian chiropractors. The data requires coming from various sources including Google but the following are obligatory
Hospital Management System: Technology Used Java-JSP, Apache Tomcat (webserver), SQL SERVER 2000. This project is aimed at developing a web-based system for taking records
flow chart of train reservation system
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