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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 essential) to be given to the appropriate view,
? Select the proper view to respond to the user
? Delegates most of this grunt work to Action classes
? Is responsible for initialization and clean-up of resources
A easy expression language used by a JavaServer Faces UI component tag attributes to bind the associated component to a bean property or to bind the associated component's value to
Aggregation Composition Aggregation : An association in which one class refers to collection or a another class. This is a part of a who
O/R mapping is well suited for read, change, write centric applications and not suited for write centric applications where data is seldom read. Although this was usually true of m
Write a Java application to simulate a bank system. In the system, customers can open new bank accounts with the bank, and register/use an online account to manage their bank accou
How you Returning Values From Methods in java ? It's frequent meaningful to have a method return a value to the class which is known as it. This is accomplished through the ret
Separating your business logic with other functionality such as services, Loggers etc, making classess more cohesive.
what is function
Describe Polymorphism? Polymorphism can be referred as one name many forms. It's the ability of methods to behave differently, depending upon object who is calling it. Key feat
Explain the char data type in java? A char is a single character in which a letter, a digit, a punctuation mark, a tab, a space or something same. A char literal is a single on
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