final PRadioButton radio1 = new PRadioButton("group1", "Text 1");
radio1.ensureDebugId("radio1");
final PRadioButton radio2 = new PRadioButton("group1", "Text 2");
radio2.ensureDebugId("radio2");
final PRadioButton radio3 = new PRadioButton("group1", "Text 3");
radio3.ensureDebugId("radio3");
PRootPanel.get().add(radio1);
PRootPanel.get().add(radio2);
PRootPanel.get().add(radio3);
radio1.addValueChangeHandler(eventsListener);