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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.
class Writer extends Client { // additional members private boolean technical = false; private boolean government = false; private boolean international = false; pri
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in java string is a
How to catch multiple exceptions explain with example? If multiple blocks match the exception type, the first block in which matches the kinds of the exception catches it. pub
It could be something simple for a good js coder. But there may be a custom design and I can give more feedback for the person who is interested in working with me. Check Invisi
consider the file name cars.text each line in the file contains information about a car ( year,company,manufacture,model name,type) 1-read the file 2-add each car which is represen
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In an external JavaScript file write code that, upon form submission, scans the list of courses for a match (case should be insensitive). If a match is found, change the div's back
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This assignment has two main objectives. It aims to establish a basic familiarity with the Java API (Java Thread class) for creating multithreaded Java application, and the Java ne
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