Creating the Rest of the GUI and Defining the Event Handlers
Lines 145–147 create a JLabel for which the Format menu items control the font, font color and font style. The initial foreground color is set to the first element of array colorValues (Color.BLACK) by invoking JComponent method setForeground. The initial font is set to Serif with PLAIN style and 72-point size. Line 149 sets the background color of the window’s content pane to cyan, and line 150 attaches the JLabel to the CENTER of the content pane’s BorderLayout.
ItemHandler method actionPerformed (lines 157–181) uses two for statements to determine which font or color menu item generated the event and sets the font or color of the JLabel displayLabel, respectively. The if condition ...
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