Как напечатать JLabel
вверху?
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.border.EmptyBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class SampleFrame extends JFrame {
private JPanel contentPane;
private JPanel q;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
SampleFrame frame = new SampleFrame();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public SampleFrame() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 450, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
contentPane.setLayout(new BorderLayout(0, 0));
setContentPane(contentPane);
JPanel p = new JPanel();
q = new JPanel();
JSlider pine = new JSlider();
contentPane.add(p, BorderLayout.CENTER);
p.add(pine);
contentPane.add(q, BorderLayout.NORTH);
pine.addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent arg0) {
JSlider sl = (JSlider)arg0.getSource();
String a = ((Integer)sl.getValue()).toString();
q.add(new JLabel(a));
}
});
}
}