package entity;public class User {	private String id;	private String name;	public String getId() {		return id;	}	public void setId(String id) {		this.id = id;	}	public String getName() {		return name;	}	public void setName(String name) {		this.name = name;	}	}

package dao;public interface UserDao {	public void saveUser();	public void getUserById(int id);}

package dao.imp;import dao.UserDao;public class UserDaoImp implements UserDao{	@Override	public void saveUser() {		// TODO Auto-generated method stub		System.out.println("--------save user------");	}	@Override	public void getUserById(int id) {		// TODO Auto-generated method stub			}}

package service;public interface UserService {	public void saveUser();	public void getUserById(int id);}

package service.imp;import dao.UserDao;import service.UserService;public class UserServiceImp implements UserService{	private UserDao userDao;	public UserDao getUserDao() {		return userDao;	}	public void setUserDao(UserDao userDao) {		this.userDao = userDao;	}	@Override	public void saveUser() {		// TODO Auto-generated method stub		System.out.println("SAVE USER");	}	@Override	public void getUserById(int id) {		// TODO Auto-generated method stub			}}

package action;import service.UserService;public class UserAction {private UserService userService;public UserService getUserService() {	return userService;}public void setUserService(UserService userService) {	this.userService = userService;}public String saveUser(){	userService.saveUser();	return null;}}

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"><bean id="userDao" class="dao.imp.UserDaoImp"></bean><bean id="userService" class="service.imp.UserServiceImp"><property name="userDao" ref="userDao"></property></bean><bean id="userAction" class="action.UserAction"><property name="userService" ref="userService"></property></bean></beans>