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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.
i am doing java and want projects with solutions to practice more and more
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We require responsible and serious programmer Project Description: Big Data and On-line tools Website Liferay - JAVA - Portlets - JSP and JSF Skills required: J2EE,
Question Using 3 level of nested for loop, write a program that will produce the output as below.
Write a java program that computes the scores of 10 students in the following units; 1.Java 2.PHP 3.Python 4.C++ 5.Perl Generate a transcript.
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As registered nurses, we often wonder "am I responsible for the L.P.N's and the C.N.A. assigned on my floor. Will I be blamed if someone makes an error or if someone gets hurt? N
What are the advantages that Java's layout managers provide over traditional windowing systems ?
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