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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.
RMI transport layer usually opens direct sockets to the server. Several Intranets have firewalls that do not accept this. To get through the firewall an RMI call may be embedded wi
class Writer extends Client { // additional members private boolean technical = false; private boolean government = false; private boolean international = false; pri
How can you describe a consistent web design? Why is it required? A consistent web design is Easy understandable, not along with heavy graphics, easy navigation. It is required
A portal is a service or a Web site that gives broad range of services and resources like e-mail, forums, search engines, weather information, news, on-line shopping, stock quotes.
what are all possible ways in java for user input and output
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
The program: 2 classes one called Student, one called Grades Functional Requirements: Ask for how many students u need to enter the program must: prompt the user to enter the
Develop a desktop application with Lync 2013 Project Description: We want to make desktop application which interfaces to Lync 2013 ? Skills required are .NET, ASP, Java,
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The report: Your report must describe the requirements of the application, outline the design of the solution, and provide a testing procedure to prove the application works. In yo
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