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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.
Design and implement an application that reads a sequence of up to 25 pairs of names and postal (ZIP) codes for individuals. Store the data in an object designed to store a first n
How to initialize array in java ? Individual elements of an array are referenced through the array name and through an integer that represents their position in the array. The
i have got project of Vending machine. would you please help me about how to start and how to use coding.thanks
Where the local varible declared? Declaring variables within a function, makes them local .They are available only within that function and hold no meaning outside of it
write a program to find the minimum no of colors to fill a board where some of the elements of different color are already placed.
Use a FOR loop and give me the largest number divisible by 7 11 13 17 use the number from 1 to 10000 (or even 100000)
Defines to keeping all the related members together in an object. Specifying member variables as private may hide the methods and variables. Objects should hide their inner working
what are constructor?
Opengts Geozone violation alerts Project Description: I am seeking a very reliable, articulate and an experienced Java and MySQL developer to customize the Device Communicati
What is the difference among session scope and request scope when saving formbean? Ans) When the scope is request, the values of formbean would be there for the current request.
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