Struts

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
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-app_2_5.xsd">
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  <filter>
  <filter-name>struts2</filter-name>
  <filter-class>
  org.apache.struts2.dispatcher.ng.filter
  .StrutsPrepareAndExecuteFilter
  </filter-class>
  </filter>
  <filter-mapping>
  <filter-name>struts2</filter-name>
  <url-pattern>/*</url-pattern>
  </filter-mapping></web-app>

<%@taglib uri="/struts-tags" prefix="s"%>
<<s:actionerror/>
<s:form action="insert">
<s:textfield name="name" label="Name"/>
<s:textfield name="address" label="Address"/>
<s:textfield name="city" label="City"/>
<s:textfield name="state" label="State"/>
<s:submit value="Submit"></s:submit>
</s:form>

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-
//Apache Software Foundation//DTD Struts Configuration 
2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="demo" extends="struts-default">
<action name="insert" class="org.r4r.UserListInsertAction">
<result name="success">/index.jsp</result>
<result name="input">/index.jsp</result>
<result name="error">/index.jsp</result>
</action>
</package>
</struts> 

package org.r4r;
import com.opensymphony.xwork2.ActionSupport;
public class UserListInsertAction extends 
	ActionSupport{
private static final long serialVersionUID = 1L;
String name;
String address;
String city;
String state;
DAO dao=new DAO();
public String execute(){
if(dao.insert(name, address, city, state)){
this.addActionError("You are successfully insert data.");
return "success";}
else
this.addActionError("Data is not successfully insert");
return "error";
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public String getState() {
return state;
}
public void setState(String state) {
this.state = state;
}
}

package org.r4r;
import java.sql.Connection;
import java.sql.PreparedStatement;
public class DAO {	 	
public boolean insert(String name,
	String address,String city,String state){
try{
Connection con=ConnectionProvider.getConnection();
PreparedStatement stmt=con.prepareStatement
	("insert into userlist values(?,?,?,?)");
stmt.setString(1,name);
stmt.setString(2,address);
stmt.setString(3,city);
stmt.setString(4,state);
stmt.executeQuery();
return true;
}catch(Exception e){
System.out.println(e);
}
return false;
}
}

package org.r4r;
import java.sql.Connection;
import java.sql.DriverManager;
public class ConnectionProvider {
public static Connection getConnection(){
Connection con=null;
try{
Class.forName("oracle.jdbc.driver.OracleDriver");
con=DriverManager.getConnection
("jdbc:oracle:thin:@localhost:1521:xe",
	"system","system");
}catch(Exception e){
System.out.println(e);
}
return con;
}
}