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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.
Using Java, write the class Time which consists of the following: (a) three private integer data members (hours, minutes and seconds). (b) a constructor to initialise the dat
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In a RMI Client Program, what are the excpetions which may have to handled Ans) a. MalFormedURLException b. NotBoundException c. RemoteException
JRMP(java remote method protocol)
how to solve the equation of these operator
Write a program of student Using a Class Objects of a class are always created on heap using "new" operator followed by constructor Student s = new Student ( ); // no po
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To use the DispatchAction, follow these steps: ? Make a class that extends DispatchAction (instead of Action) ? In a new class, add a method for each function you need to per
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