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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.
The SwitchAction class gives a means to switch from a resource in one module to another resource in a dissimilar module. SwitchAction is useful only if you have multiple modules in
JMS is the ideal high-performance messaging stage for intra business messaging, with full programmatic control over quality of service and delivery options. JavaMail gives lowes
Build an android app like the example in the project details Project Description: Construct an android app like cam finder using my own ideas, design and features which I wil
What are Logic- or Time-Bombs ? It execute the payload while predetermined event occurs. For instance use kind's particular phrase and particular data is reached.
What is the difference among ForwardAction and IncludeAction? Ans) The difference is that you require to use the IncludeAction only if the action is going to be contained by ano
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Explain operator precedence in java ? It's probable to combine multiple arithmetic expressions in one statement. For example the subsequent line adds the numbers one by five:
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