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Question:
(a) Explain the importance of abstract classes in Java with an appropriate example.
(b) Explain what is meant by an interface in Java? Use a simple example to illustrate your answer.
(c) A GUI may contain text-fields, buttons, and other labels. A button usually triggers an event on the GUI. Explain the different processes in registering an event and handling the action performed by the button in Java.
(d) Write the code for a GUI which will allow a user to enter two numbers and then compute the product by clicking on a button. The result can be displayed in a text-field or as a label on the GUI.
program to find the frequency of a digit in a number
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PACKAGE
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Explain the term- Comparing Strings For comparing Strings never use == operator, use equals method of String class. - == operator compares addresses (shallow comparison) whi
To integrate your Struts application with Spring, we have two options: ? Configure Spring to manage your Actions as beans, using the ContextLoaderPlugin, and set their dependenc
What is heuristic? Heuristic is a procedure which commonly, but not always, works or that provides nearly the right answer.
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