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We can set a background color to JPanel by using the setBackground() method.
We can display a value when an item is selected from a JList by implementing MouseListener interface or extending MouseAdapter class and call the getClickCount() method with single-click event (getClickCount() == 1) of MouseEvent class.
The JList component is backed by a list model. So the only recommended way to remove an item from the list view is to delete it from the model (and refresh the view). If he's using a DefaultListModel (and in all likelihood he is), then there's no need to refresh the view since this should be done automatically.
How can I change the background color of the item which is selected in JList dynamically?
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