import javax.swing.*; import java.awt.BorderLayout; import javax.swing.event.*; public class JSliderTest16 extends JFrame implements ChangeListener{ JSlider slider; JLabel label; public static void main(String[] args){ JSliderTest16 frame = new JSliderTest16(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setBounds(10, 10, 300, 200); frame.setTitle("タイトル"); frame.setVisible(true); } JSliderTest16(){ slider = new JSlider(); slider.setMajorTickSpacing(10); slider.setPaintTicks(true); slider.addChangeListener(this); JPanel p = new JPanel(); p.add(slider); label = new JLabel(); label.setText("値:" + slider.getValue()); getContentPane().add(p, BorderLayout.CENTER); getContentPane().add(label, BorderLayout.PAGE_END); } public void stateChanged(ChangeEvent e) { if (!slider.getValueIsAdjusting()) { label.setText("値:" + slider.getValue()); } }