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| package tstswing;
import java.awt.Graphics;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class TestPanel extends JPanel {
private static final long serialVersionUID = 1L;
public TestPanel(){}
public void paintComponent(Graphics g) {
System.out.println("dddddddddddd");
}
public static void main(final String[] args) {
final JFrame f = new JFrame();
f.setSize(600, 400);
f.getContentPane().add(new TestPanel());
WindowListener wndCloser = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
};
f.addWindowListener(wndCloser);
f.setVisible(true);
}
} |
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