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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.
Collaboration diagrams are also communication diagrams. Collaboration diagrams give the same message as the sequence diagrams. But the collaboration diagrams depend on the object f
What is meant by universal access of internet services ? the meaning of Universal access of internet services means same functionality to everyone.
Explain all Java Primitive Data Types? boolean 1-bit. May take on the values true and false only. true and false are describe constants of the language and are not the s
Explain what is FontMetrics in Java? No word wrapping is completed when you draw a string in an applet, even if you embed newlines in the string along with \n. If you expect th
Spring is an open source framework created to address the difficulty of enterprise application development. One of the chief benefits of the Spring framework is its layered archite
We can get the values in the action classes by using data.getParameter("variable name described in the velocity page");
How can we define a computer screen? A computer screen is define as use to display output of computer to the user. Computer screen is consists of pixels.
Question 3 Using this line: var posneg : array [1..15] of integer; Write a program that calculates the number of negative and positive numbers in the array. Users will
What does the keyword " synchronize " mean in java. What are the usage and disadvantages of synchronization?
how to read data in a link list?
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