<?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-2.5.xsd">

  <bean name="u" class="com.bjsxt.dao.impl.UserDAOImpl">

  </bean>

  <bean id="userService" class="com.bjsxt.service.UserService" scope="prototype">

  	<property name="userDAO" ref="u" />

  </bean>

</beans>

package com.bjsxt.service;

import org.junit.Test;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.bjsxt.model.User;

//Dependency Injection

//Inverse of Control

public class UserServiceTest {

	@Test

	public void testAdd() throws Exception {

		ApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml");

		UserService service = (UserService)ctx.getBean("userService");

		UserService service2 = (UserService)ctx.getBean("userService");

		System.out.println(service == service2);

	}

}