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Validate() : Used to validate properties after they have been populated; known as before FormBean is handed to Action. Returns a collection of ActionError as ActionErrors. Following is the method signature for the validate() method.
Reset(): reset() method is called by Struts Framework with every request that uses the described ActionForm. The purpose of this method is to reset all of the ActionForm's data members prior to the new request values being set.
What is asynchronous messaging? Queue Ans) Asynchronous messaging includes a client that does not wait for a message from the server. An event is used to trigger a message from
Explain the term Naming Packages in details? As you saw previously name space conflicts arise if two pieces of code declare the similar name. Java remains track of what belongs
Differentiation between if statement and a switch statement ?
Write a program that takes as input a sequence of transactions of the form "buy x; share(s) at $y each" or "sell x share(s) at $y each," assuming that the transactions occur on con
Did Java support hybrid inheritance?
Java Virtual Machine & Runtime Environment Basic Concept When you write a program in C++ it's called source code. C++ compiler converts this source code into the machine c
What is Documentation for the class library Sun gives a large amount of documentation for the classes, interface's and exceptions in the class library. If you've installed the
ActionForm is javabean which shows the form inputs containing the request parameters from the View referencing the Action bean.
The ' is a ' relationship is used with inheritance and ' has a ' relationship is used with composition . Both composition and inheritance allow you to perform sub-objects in
Question 1: a) What is an "Operating System"? b) Describe the four main computer system components. c) Describe and compare "Parallel Systems" and "Distributed Systems
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