In order for a menuitem be activated when you click on it, the menuitem must be

Question

In order for a menuitem be activated when you click on it, the menuitem must be registered onto a listener object. The listener object that is required is a WindowListener object. Select one: True False Given that the variables set1 and set2 are references to two distinct set objects, what is the result of the following operation set1.add(set2) Select one: a. set2 contains all elements in set1 and set1 combined. b. set1 contains all elements in set1 and set2 combined. c. set1 remains unchanged. d. set2 remains unchanged

Explanation / Answer

1-false, listner object must be of ItemEvent class. And method will be addItemListner(object of class that implements Itemlistner interface )

2-option b is correct

2-

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