import java.awt.Dimension; import javax.swing.JFrame; import javax.swing.JSlider; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class Slider { public static void main(String[] args) { JFrame f = new JFrame(); final JSlider slider = new JSlider(0, 150, 0); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); slider.setPreferredSize(new Dimension(150, 30)); slider.addChangeListener(new ChangeListener() { public void stateChanged(ChangeEvent event) { int value = slider.getValue(); if (value == 0) { System.out.println("0"); } else if (value > 0 && value <= 30) { System.out.println("value > 0 && value <= 30"); } else if (value > 30 && value < 80) { System.out.println("value > 30 && value < 80"); } else { System.out.println("max"); } } }); f.add(slider); f.pack(); f.setLocationRelativeTo(null); f.setVisible(true); } }