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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.
coding
A Scrollbar is a Component while Scroll Panel is a Container. A Scroll Panel handles its own events and performs its own scrolling.
Develop a Graphical Display Framework Project Description: The intent of this project is to prepare a web based graphical display framework that will display many data points
Your next task is to implement the MovieList class that manages the details for a list of DVD Movies read from the specified data file. The constructor will include a parameter tha
Benefits of Spring framework : Spring can effectively organize your middle tier objects as given in the diagram above, whether or not you select to use EJB. Applications create
1. Inception : In the mean while the inception phase, you work out the business part for the project. You also will be creating a rough cost estimate and return on investment.
JAVA Programming
What is Constructor? A constructor is used to initialize a newly created object. It's called just after memory is allocated for the object. It can be used to initial
15. Energy Drink Consumption A soft drink company recently surveyed 12,467 of its customers and found that approximately 14 percent of those surveyed purchase one or more energy dr
a) Using Java, create an interface with a method called concatenation which will be implemented in the class patient in part b. b) Using Java, write the class patient with the
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