private void addDatePanel() { Grid datePanel = new Grid(2, 2); datePanel.setText(0, 0, "Departure Date:"); DateBox departureBox = new DateBox(); Date departureDate = new Date(); departureBox.setValue(departureDate); datePanel.setWidget(0, 1, departureBox); datePanel.setText(1, 0, "Return Date:"); DateBox returnBox = new DateBox(); Date returnDate = DateUtils.datePlusWeek(departureDate); returnBox.setValue(returnDate); datePanel.setWidget(1, 1, returnBox); RootPanel.get("date-panel").add(datePanel); }