Explanation:The code in the constructor of MyFrame is easy to understand. An empty PopupMenu
instance colors is created. Number of menu items are added to this PopupMenu instance colors. After
adding menu items to colors, it is added to the frame window. Note actionListener is added only to
the PopupMenu instance colors and not to all menu items. A mouse listener is also added to the frame
window. Whenever the mouse pressed or mouse released event occurs, an ...
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