import javax.swing.*;

public class Demo
{
  public static void main(String [] args)
  {
    JFrame frame = new JFrame("Layout manager demo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    // We're going to show the different kinds of layouts each
    // in its own tab.  We use a JTabbedPane object, which will act
    // as a single component within our frame, and it will consist
    // of various panels each in its own tab.
    JTabbedPane pane = new JTabbedPane();
    pane.addTab("Intro", new IntroPanel());
    pane.addTab("Flow layout", new FlowPanel());
    pane.addTab("Border layout", new BorderPanel());
    pane.addTab("Grid layout", new GridPanel());
    pane.addTab("Box layout", new BoxPanel());

    frame.getContentPane().add(pane);
    frame.pack();
    frame.show();
  }
}