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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.
Where the local varible declared? Declaring variables within a function, makes them local .They are available only within that function and hold no meaning outside of it
A fictitious train company, 'Transrail', has commissioned you to write a program that manages a list of train tickets. The program should display a text menu that prompts the us
write algorithm to perform the following operations on it create,insertion,deletion,for testing overflow and empty conditions.
Develop a GeoNetwork Template Project Description: Want a personalized GeoNetwork Template with the consideration of the logo included to this proposal and its colors. The ba
What is the difference between instance and object of a class? Few says both are same, then why java kept both the words for same thing?
What is Alternate Text ? The APPLET element can have an ALT attribute. An ALT attribute is used through a browser which understands the APPLET tag but for some purpose cannot
write a Java program that accept two integers and determine weather they are Coprime or not
When is AlreadyBoundException thrown and by which method? Ans) AlreadyBoundException is thrown by bind(String name) method when a remote object is already registered with the re
In this assignment you work on a set of tasks with the classes Currency, Money and Bank. Money and Currency You have been given a template for the Currency and Money classes (Lab1.
Java Remote Method Invocation (RMI): It gives a way for a Java program on one machine to interact with objects residing in different JVMs. The important blocks of the RMI arc
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