SWT Jface Eclipse Java

//Send questions, comments, bug reports, etc. to the authors:
//Rob Warner (rwarner@interspatial.com)
//Robert Harris (rbrt_harris@yahoo.com)
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.SWT;
public class RowLayoutHorizontal {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new RowLayout(SWT.HORIZONTAL));
    new Button(shell, SWT.PUSH).setText("one");
    new Button(shell, SWT.PUSH).setText("two");
    new Button(shell, SWT.PUSH).setText("three");
    new Button(shell, SWT.PUSH).setText("four");
    new Button(shell, SWT.PUSH).setText("five");
    new Button(shell, SWT.PUSH).setText("six");
    new Button(shell, SWT.PUSH).setText("seven");
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}