Answer / sitaram

When ever Heap size is full at that time out of memory
exception. To avoid the this exception, we can increase the
Heap size.

Answer / rajshree

during program execution objects are created in the
heap,after using those obejcts jvm should release those
momory space by garbage collection.but if in garbage
collection will not run on those object tha total heap will
be ocupied with those dead objects.
next time when JVM will try to allocate tyhe heap to an
object it wont be able to do so...that time it throws
outOfMemoryException.

Answer / good choice

OutOfMemory Exception occure when the heap size is full of
the objects created by JVM during the programmer execution.

Answer / aashish r. wadhokar

It happens when server memory is not released which is used
by objects declared.
Again it happens when EntityManager comes into picture.
till we do not close EntityManager transaction.

Answer / kamruddin

exception is an event and error that raised to the program
and break the flow of statement.

Uncheacked exception :- airthmetic error

chacked exception:- run time error

unchecked exception :-

1- airthmetic exception.
2- array index of bound exception.
3- array stored in exception
4- class cost exception
5- illegal argument exception
6- null pointer exception
7- negative null size of array exception
8- array found exception.

checked exception:-

1- class not found exception.
2- illegle accesss exception
3- instantation exception.
4- intrupted exception
5- no such method exception
6- no such field exception

lll

1 Answers  

where is JNDI being used in java platform?

2 Answers  

What is the servletcontext listener and what is JspContext and page context pls tell in simple words.

1 Answers   IBM,

what is the difference between banking and insurance domain?

2 Answers  

Should we create system software ( e.g operating system ) in java ?

0 Answers  

In HashSet duplicates are allowed while adding to the HashSet, but while retreiving the object from HashSet is not shown the duplicate values, WHY ?

2 Answers   Cap Gemini,

How do you create UserTransaction Object? How do you rollback a transaction in a method?

1 Answers   HCL,

Why do you use Context Object

2 Answers   HCL,

what is the diffrence between insurance and telecom domain?

1 Answers  

Which of the following declaration is wrong? int i=45; float j = 45.0; double k=45.0;

5 Answers   Adobe,

I have include a jsp page by using <jsp:include page="/.../xyz.jsp"/> The thing is that the xyz.jsp page has its submit button.When i click on that button the whole main page get refreshed.But i want to refresh only the xyz.jsp page.How could i achive it so that i can only refresh the xyz.jsp not the main page page?

4 Answers  

what debugging tool that can be used to debug the java programs?

1 Answers   Inforica,