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1 unit teststhere are two popular processes to testing server-side classes mock objects which test classes by checking the server container and
manage valuable resources recycle and wisely them where possible serialization cost and minimize network overheads and optimize all your database
jmx framework can enhance the manageability of your application by 1 monitoring your application for critical events performance problems and
an application server cluster has of a number of application servers loosely coupled on a network the server group or server cluster is usually
an application server creates data for a web server - as collecting data from databases processing security checks applying relevant business
in jsp page give the code as given belowlthtmlform actionuploaddo enctypemultipartform-data namefileform scopesessiongt please select
aggregationcompositionaggregation an association in which one class refers to collection or a another class this is a
class diagram technique is vital within object oriented functions class diagrams illustrate the kinds of objects in the system and the several static
the more complicated the underlying system the more critical the inter communication among everyone involved in deploying and developing the software
1 rup is relying on a few important principles and philosophies like planning ahead knowing where the process is capturing and heading the project in
1 de normalizes your tables where required2 proper use of index columns an index based on numeric parts is more efficient than an index based on
a question rising in the mind of xmldtd designers is whether to model and encode retain information using an attribute or alternatively using an
ejb elements operate inside a container environment and rely heavily on the container to give security the four key services needed for the
in order to provide portable and reliable ejb elements the following restrictions apply to
1lifecycle management individual enterprise beans do not accept to explicitly manage process allocation object activation thread management or
ejb 20 has the additional advantages over the ejb 11 given below1 local interfaces these are beans that can be needed locally that means by the same
session bean is a non-persistent object that provides some business logic running on the server session beans do not provide system break down
ejb 2x is broadly adopted server side component architecture for j2ee1 ejb is a remote distributed multi-tier system and allows protocols like iiop
ejbs are distributed elements which need the rmi framework for object distribution an ejb application server gives more services like object pooling
rmi parameters primitive types are given by value2 references to remote objects are given as remote references that allow the client process to call
rmi object servicesin addition to its remote object architecture rmi gives some basic object services which may be needed in a distributed
struts framework j a
object-to-relational or mappingthere are various ways to persist data and the persistence layer is one of the most important layers in any
annotation or attribute oriented programmingthere are two types of code generation processespassive code generation is template driven input process
benefits of aop aspect oriented programmingoop can give the system level code like transaction management logging security etc to scatter throughout