package application.pen; import javax.swing.JSlider; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class RunTimeChangeListener implements ChangeListener{ private JSlider JSlider; public RunTimeChangeListener(JSlider js){ JSlider = js; JSlider.setToolTipText("0.0•b"); } public void stateChanged(ChangeEvent e) { double i = JSlider.getValue(); i /= 1000; JSlider.setToolTipText(i + "•b"); } }