import org.eclipse.jface.viewers.ILazyContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class Snippet {
   public static void main(final String[] args) {
       Display display = new Display();
       Shell shell = new Shell(display);
       shell.setLayout(new FillLayout());
       final TableViewer v = new TableViewer(shell, SWT.VIRTUAL);
       v.setLabelProvider(new LabelProvider());
       v.setUseHashlookup(true);
       v.setContentProvider(new ILazyContentProvider() {
           @Override
           public void updateElement(final int index) {
               v.replace("Item " + index, index);
           }

           @Override
           public void dispose() { }

           @Override
           public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) { }
       });
       v.setInput(null);
       v.setItemCount(12);
       v.getTable().setLinesVisible(true);
       v.setSelection(new StructuredSelection("Item 5"), true);

       shell.open();

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