html
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core">
<h:head>
<title>Hello JSF</title>
</h:head>
<h:body>
<h1>Welcome to JSF</h1>
<h:form>
<h:inputText value="#{helloBean.name}" />
<h:commandButton value="Greet" action="#{helloBean.greet}" />
</h:form>
<h2>#{helloBean.message}</h2>
</h:body>
</html>
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
@ManagedBean
@RequestScoped
public class HelloBean {
private String name;
private String message;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getMessagge() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public void greet() {
message = "Hello, " + name + "!";
}
}
<faces-config xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_1.xsd"
version="2.1">
<managed-bean>
<managed-bean-name>helloBean</managed-bean-name>
<managed-bean-class>com.example.HelloBean</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
</faces-config>
