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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.
Explain Overriding Methods: The Solution The object oriented solution to this problem is to describe a new class, call it SlowCar, that inherits from Car and imposes the additi
The Applet's life cycle functions are as follows: public void init() : Initialization function called only once by the browser. public void start() : Method called after
how to implement feasible region in java
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It helps to resolve naming conflicts when different packages have classes with the same names. This also helps you prepare files within your project. As define : java.io package d
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Why You don't need to import java.lang.* There is one exception to the import rule. All classes in the java.lang package are imported by default. Therefore you do not required
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