Leave full-screen mode (Return to normal windowed mode)
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(); gs.setFullScreenWindow(null); } }