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If you have more than a few movies, you will
want to view those movies in a choice list with a scroll bar. Using
Java, you add a scroll bar to a choice list by viewing the choice list
through a scroll pane, which automatically adds vertical or
horizontal scroll bars, as needed. This addition requires just a small flourish:
You create a scroll pane, an instance of the JScrollPane class,
with the choice list as its argument. Then, instead of adding the choice
list to the applet's content pane, you add the scroll pane.
getContentPane().add("East", getJList());
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getContentPane().add("East", new JScrollPane(getJList()));
Testing the applet with the scroll pane installed produces the display shown in Segment 848.