title: How to change JLabel background color using JSlider
body: <p>JSlider with "ChangeListener" interface and handle"ChangeEvent" that will change JLabel background color when slider value is change.please help me i couldn't do it.
  thanks in advance.i couldn't apply JLabel</p>
  
  <pre><code>              package org.kodejava.example.swing;
                import javax.swing.*;
                 import javax.swing.event.ChangeEvent;
                 import javax.swing.event.ChangeListener;
                import java.awt.*;
             public class JSliderDemo extends JPanel implements ChangeListener {
  private JTextField field;
  
  public JSliderDemo() {
      initializeUI();
  }
  
  private void initializeUI() {
      setLayout(new BorderLayout());
      setPreferredSize(new Dimension(400, 100));
  
      //
      // Creates an instance of JSlider with a horizontal
      // orientation. Define 0 as the minimal value and
      // 50 as the maximum value. The initial value is set
      // to 10.
      //
      JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 50, 10);
  
      slider.setPaintTicks(true);
      slider.setPaintLabels(true);
      slider.setMinorTickSpacing(1);
      slider.setMajorTickSpacing(10);
  
      slider.addChangeListener(this);
  
      JLabel label = new JLabel("The Value:");
      field = new JTextField(5);
  
      JPanel panel = new JPanel();
      panel.setLayout(new FlowLayout());
      panel.add(label);
      panel.add(field);
  
      add(slider, BorderLayout.NORTH);
      add(panel, BorderLayout.SOUTH);
  }
  
  public void stateChanged(ChangeEvent e) {
      JSlider slider = (JSlider) e.getSource();
  
      //
      // Get the selection value of JSlider
      //
      field.setText(String.valueOf(slider.getValue()));
  }
  
  public static void showFrame() {
      JPanel panel = new JSliderDemo();
      panel.setOpaque(true);
  
      JFrame frame = new JFrame();
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setTitle("Slider Example");
      frame.setContentPane(panel);
      frame.pack();
      frame.setVisible(true);
  }
  
  public static void main(String[] args) {
      SwingUtilities.invokeLater(new Runnable() {
          public void run() {
              JSliderDemo.showFrame();
          }
      });
  }
  }
  </code></pre>