3、javax.swing.JDesktopPane;import javax.swing.JFrame;import javax.swing.JInternalFrame;import javax.swing.JPanel;public final class AwtSwing ...{ public static void main(String[] args) ...{ AwtSwing as = new AwtSwing(); as.show(); } JFrame frame = new JFrame("Test AW
4、T and SWING"); JDesktopPane jdp = new JDesktopPane(); JInternalFrame jif1 = new JInternalFrame("controls"); JInternalFrame jif2 = new JInternalFrame("cover"); public AwtSwing() ...{ frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().add