Java tutorial
import java.awt.BorderLayout; import java.awt.GraphicsEnvironment; import java.awt.event.ActionEvent; import javax.swing.AbstractAction; import javax.swing.Action; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.KeyStroke; public class Main { public static void main(String[] args) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLayout(new BorderLayout()); frame.add(new JLabel("Hit Escape to exit full screen", JLabel.CENTER), BorderLayout.CENTER); frame.setSize(300, 300); KeyStroke escapeKeyStroke = KeyStroke.getKeyStroke("ESCAPE"); Action escapeAction = new AbstractAction() { public void actionPerformed(ActionEvent e) { GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice() .setFullScreenWindow(null); } }; frame.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(escapeKeyStroke, "ESCAPE"); frame.getRootPane().getActionMap().put("ESCAPE", escapeAction); GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().setFullScreenWindow(frame); } }