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import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JWindow;
import javax.swing.SwingConstants;
public class JWindowNoTitleBar extends JFrame {
JWindow window = new JWindow(this);
public JWindowNoTitleBar() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.getContentPane().add(new JLabel("About"), BorderLayout.NORTH);
window.getContentPane().add(new JLabel("Label", SwingConstants.CENTER),
BorderLayout.CENTER);
JButton b = new JButton("Close");
window.getContentPane().add(b, BorderLayout.SOUTH);
b.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
window.setVisible(false);
}
});
window.pack();
window.setBounds(50, 50, 200, 200);
b = new JButton("About...");
b.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
window.setVisible(true);
}
});
getContentPane().add(b);
pack();
}
public static void main(String[] args) {
new JWindowNoTitleBar().setVisible(true);
}
}
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