import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.RowLayout;

public class Hello3 {
public static void main(String[] args)
{
    try
    {
        new Hello3().run();
    }
    catch (Throwable thw)
    {
        System.out.println(":(");
        thw.printStackTrace();
    }
}

private void run()
{
    Display display = new Display();
    final Shell shell = new Shell(display);
    RowLayout layout = new RowLayout();
    layout.justify = true;
    layout.pack = true;
    shell.setLayout(layout);
    shell.setText("Hello, World!");
    Label label = new Label(shell, SWT.CENTER);
    label.setText("Hello, World!");
    shell.pack();
    shell.open ();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) display.sleep ();
    }
   display.dispose ();
}
}