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J2EE prepares use of the JNDI interface to access different resources like JMS, JDBC, EJB etc. The client finds up for these resources through the JNDI look-up. The JNDI look like is expensive because the client requires getting a network connection to the server first. So that look-up process is redundant and expensive.
To avoid this redundant and expensive process, service objects may be cached when a client process the JNDI look-up for the first time and redefine that service object from the cache for the subsequent look-ups. The service locator pattern imports this technique.
For this assignment, you will develop the back end of a calculator application. The GUI (graphical user interface) has been provided by your instructor. The application will requir
What do you think about an object's lock and which kinds of object's have locks?
Point-to-Point : gives a traditional queue based mechanism where the client application forwards a message through a queue to typically one receiving client that accepts messages
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What are Commonsense Guidelines to prevent viruses? Discuss about Antivirus as well. Commonsense Guidelines to avoid viruses are as follows: 1. Do not open attachment of unwant
Java is Object oriented programme language Java is comprehensively OOP language with robust memory system Memory errors largely disappear due to safe pointers and garbage c
Where the local varible declared? Declaring variables within a function, makes them local .They are available only within that function and hold no meaning outside of it
ActionServlet performs the role of Controller: ? Process user requests ? Verify what the user is trying to achieve according to the request ? Pull data from the model (if
Can we use the constructor, instead of init(), to initialize servlet? Ans) Yes. Of course you can use the constructor instead of init(). There's nothing to stop you. But you sho
A Padovan string P(n) for a natural number n is defined as: P(0)=''X'' P(1)=''Y'' P(2)=''Z'' for a string characters ''X'',''Y'',''Z'' only,and given value of n,write a program th
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