SWT.Shell

 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Shell;

 public class SWT_Shell {

     public static void main(String[] args) {
 Display display = Display.getDefault();
 Shell shell  = new Shell();
 shell.setSize(800, 600);
 shell.setText("SWT.Shell");
 shell.setLayout(null);

 shell.open();
 shell.layout();
 while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
         display.sleep();
     }
 }

     }

 }