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import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Frame;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class Main {
public static void main(String[] argv) throws Exception {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gs = ge.getDefaultScreenDevice();
Button btn = new Button("OK");
btn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gs = ge.getDefaultScreenDevice();
gs.setFullScreenWindow(null);
}
});
Frame frame = new Frame(gs.getDefaultConfiguration());
Window win = new Window(frame);
win.add(btn, BorderLayout.CENTER);
try {
gs.setFullScreenWindow(win);
win.validate();
} finally {
gs.setFullScreenWindow(null);
}
}
}
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