// create the field and make it just the right size using the little hack
// from the previous chapter
FixedLengthTextField tf = new FixedLengthTextField(10);
tf.setColumns(0);
tf.setText("1234567890");
tf.setFont(new Font("Monospaced", Font.PLAIN, 12));
tf.setPreferredSize(tf.getPreferredSize());
tf.setText("");
// show the field
JFrame f = new JFrame();
f.addWindowListener(new BasicWindowMonitor());
Container c = f.getContentPane();
c.setLayout(new FlowLayout());
c.add(tf);
f.pack();
f.setVisible(true);
