JDBC abstraction and DAO module
Illustrate JDBC abstraction and DAO module?
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Using DAO module you can keep up a database code simple and clean, and prevent problems which result from a failure to close database resources. A new layer of important exceptions on the top of error messages given by many database servers is bought in DAO module. In addition, DAO module uses Spring’s AOP module to provide transaction management services for the objects in a Spring application.
Illustrate the Core container module?
Illustrate objects lock and which objects have locks?
Define the types of Dependency Injection Spring supports briefly?
Differentiate between a JDK and a JVM?
Write a function that takes an integer value and returns the number with its digits reversed. For example, given 7631, the function should return 1367.
Detail which models are supported by JMS?
Is JVM platform independent?
Describe the Application context module?
Elaborate implementation of a thread pool?
Elaborate JMS?
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