AdjustmentListener.adjustmentValueChanged(AdjustmentEvent e) has the following syntax.
void adjustmentValueChanged(AdjustmentEvent e)
In the following code shows how to use AdjustmentListener.adjustmentValueChanged(AdjustmentEvent e) method.
import java.awt.event.AdjustmentEvent; import java.awt.event.AdjustmentListener; //from w ww .ja v a 2s .c om import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollBar; import javax.swing.SwingConstants; public class Main extends JPanel implements AdjustmentListener { JScrollBar bar = new JScrollBar(SwingConstants.HORIZONTAL, 50, 10, 0, 100); public Main() { super(); bar.addAdjustmentListener(this); add(bar); } public void adjustmentValueChanged(AdjustmentEvent evt) { int newValue = bar.getValue(); System.out.println(newValue); repaint(); } public static void main(String[] args) { JFrame frame = new JFrame(); frame.add(new Main()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setBounds(20,20, 500,500); frame.setVisible(true); } }