填空题

bar为一JScrollBar组件，阅读下面程序段，请在程序中的画线处填入正确的语句使程序能够正确运行。
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public WellAdjusted()

super("Well Adjusted");
setSize(350,100);
bar.addAdjustmentListener(this);
value.setHorizontalAlignment(SwingConstants.CENTER);
value.setEditable(false);
JPanel pane = new JPane();
pane.setLayout(new BorderLayout());
pane.add(value,"Center"):
pane.add(bar,"South");
setContentPane(pane);

public void adjustmentValueChanged(AdjustmentEvent evt)

【12】
if(source ==bar)

int newValue bar.getValue();
value.setText(""+newValue);

repaint();