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Question:
(a) Explain the event handling mechanism using a 'JComboBox' as example. Your answer must clearly indicate the event source, event object and event listener.
Also write down the necessary sample code extracts where appropriate.
(b) Explain the use and purpose of Java adapter classes using any suitable example of your own.
Why do we need wrapper classes? It is sometimes simpler to deal with primitives as objects. Moreover most of the collection classes keep objects and not primitive data types. A
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