code: private void addExample(final int[] colWidths) {
  
  		add(new WHeading(HeadingLevel.H2, getTitle(colWidths)));
  
  		WPanel panel = new WPanel();
  		panel.setLayout(new ColumnLayout(colWidths));
  		add(panel);
  
  		for (int i = 0; i < colWidths.length; i++) {
  			panel.add(new BoxComponent(colWidths[i] + "%"));
  		}
  	}
docs: Adds an example to the set of examples.
  
  @param colWidths the percentage widths for each column.