package internalFrame; import java.awt.*; import javax.swing.*; /** * This program demonstrates the use of internal frames. * @version 1.12 2016-05-10 * @author Cay Horstmann */ public class InternalFrameTest { public static void main(String[] args) { EventQueue.invokeLater(() -> { JFrame frame = new DesktopFrame(); frame.setTitle("InternalFrameTest"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); }); } }