import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Graphics;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JLayer;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.SwingUtilities;
import javax.swing.plaf.LayerUI;
public class Main {
public static void main(String[] args) {
JTabbedPane tab = new JTabbedPane();
tab.addTab("New tab1", new JLabel("1"));
tab.addTab("New Tab2", new JLabel("2"));
JPanel p = new JPanel(new BorderLayout());
p.add(new JLayer<JComponent>(tab, new TopRightCornerLabelLayerUI()));
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.getContentPane().add(p);
f.setSize(320, 240);
f.setVisible(true);
}
}
class TopRightCornerLabelLayerUI extends LayerUI<JComponent> {
private JLabel l = new JLabel("A Label at right corner");
private JPanel rubberStamp = new JPanel();
@Override
public void paint(Graphics g, JComponent c) {
super.paint(g, c);
Dimension d = l.getPreferredSize();
int x = c.getWidth() - d.width - 5;
SwingUtilities.paintComponent(g, l, rubberStamp, x, 2, d.width, d.height);
}
}