package com.corejsf; import java.io.Serializable; import javax.inject.Named; // or import javax.faces.bean.ManagedBean; import javax.enterprise.context.RequestScoped; // or import javax.faces.bean.RequestScoped; @Named // or @ManagedBean @RequestScoped public class Planetarium implements Serializable { private String selectedPlanet; public String getSelectedPlanet() { return selectedPlanet; } public String changePlanet(String newValue) { selectedPlanet = newValue; return selectedPlanet; } }