Question: 3.2(10 points) In Java Swing, menus are constructed using the composite pattern. MenuLookDemo A Menu Another Menu A text-only menu item Menultem Alt-1 Both text


3.2(10 points) In Java Swing, menus are constructed using the composite pattern. MenuLookDemo A Menu Another Menu A text-only menu item Menultem Alt-1 Both text and icon A radio button menu item Another one A check box menu item Another one A submenu JMenu An item in the submenu Alt-2 Another item Briefly explain how the composite pattern is used to construct the above menu. 3.3(10 points) In Windows 10, only one instance of the "Task Manager" object is needed. Design and implement a class called "TaskManager" using the singleton pattern. (Do not need to consider thread safety.)
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