问正确的布局，使JFrame和JInternalFrame具有灵活的屏幕大小

EN

import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;

/**
 * @see https://stackoverflow.com/a/13806057/230513
 * @see https://stackoverflow.com/questions/7456227
 */
public class FullScreenTest {

    public static final String TITLE = "Full Screen Test";
    private final JFrame f = new JFrame(TITLE);
    private final JDesktopPane jdp = new JDesktopPane();

    public FullScreenTest() {
    }

    private void display() {
        GraphicsEnvironment env =
            GraphicsEnvironment.getLocalGraphicsEnvironment();
        GraphicsDevice dev = env.getDefaultScreenDevice();
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JInternalFrame jif = new JInternalFrame(TITLE, true, true, true);
        jif.add(new JLabel(TITLE + " " + TITLE), BorderLayout.NORTH);
        jif.add(new JLabel(TITLE + " " + TITLE), BorderLayout.CENTER);
        jif.add(new JLabel(TITLE + " " + TITLE), BorderLayout.SOUTH);
        jif.pack();
        jif.setLocation(100, 100);
        jif.setVisible(true);
        jdp.add(jif);
        f.add(jdp, BorderLayout.CENTER);
        dev.setFullScreenWindow(f);
    }

    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {

            @Override
            public void run() {
                new FullScreenTest().display();
            }
        });
    }
}