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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 unicode in java? Java uses the Unicode character set. It is a two-byte character code set which has characters representing almost overall characters in almost all huma
Spring framework The Spring framework is the leading full-stack J2EE /JAVA application framework. Not like other applications, Spring does not expose itself on the design of a
An introduction permits the user to add new methods or attributes to an existing class. This can then be explained to an existing class without having to change the structure of th
i m working on an accounting software and need the java code for preparing trial balance report
How memory allocated for a object
Normal 0 false false false EN-US X-NONE X-NONE
write a program to find the area under the curvey y=f(x) between x=a and x=b.integrate y=f(x) between the limits of a and b. the area under a curve between two points can be found
1. De normalizes your tables where required. 2. Proper use of index columns: An index based on numeric parts is more efficient than an index based on character columns. 3. Re
Explain the following terms declaring, Allocating and initializing two dimensional array? Two dimensional arrays are declared, allocated and initialized much such as one dimens
public class Tester { static void test(int[] a) { int[] b = new int[2]; a = b; System.out.print(b.length); System.out.print(a.length); } public static void main(String[] arg
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