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Question:
(a) Java does not support multiple inheritance but does provide the concept of ‘interface'. Explain how interfaces can help a programmer to implement multiple inheritance in their programs. Explain with suitable Java examples.
(b) What is an abstract class in Java? Describe the importance of implementing these classes in programs. Illustrate with an example of your own.
(c) Show the Java approach to event processing by explaining how event handling works in Java. Use an example to support your answer.
(d) Describe what is a ‘Listener' in Java using an appropriate example?
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The while statement define a loop that iterates as long as condition remains true. In the following instance the control waits till the value of a text field becomes "go":
A point-to-point model is based on the concept of a message queue: Senders send messages into the queue, and the receiver reads messages from this queue. In the point-to-point mode
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How can I connect my java application with xampp
Explain the equals() method The equals() method of java.lang.Object acts the similar as the == operator; that is, it tests for object identity rather than object equality. The
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