spring集合注入与scope有关问题

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

public class UserService {    private Set<User> userSet = new HashSet<User>();    private List<User> userList = new ArrayList<User>();    private Map<String,User> userMap = new HashMap<String,User>();        public Set<User> getUserSet() {        return userSet;    }    public void setUserSet(Set<User> userSet) {        this.userSet = userSet;    }    public List<User> getUserList() {        return userList;    }    public void setUserList(List<User> userList) {        this.userList = userList;    }    public Map<String, User> getUserMap() {        return userMap;    }    public void setUserMap(Map<String, User> userMap) {        this.userMap = userMap;    }    public UserService(){            }    }

<bean name="user" class="com.hiway.entity.User" scope="prototype">        <property name="id" value="123"></property>        <property name="name" value="Hiway"></property>    </bean>      <bean name="userService" class="com.hiway.entity.UserService" scope="prototype">        <property name="userSet">            <set>                <ref bean="user"/>                <ref bean="user"/>                <ref bean="user"/>            </set>        </property>        <property name="userList">            <list>                <ref bean="user"/>                <ref bean="user"/>                <ref bean="user"/>            </list>        </property>                <property name="userMap">            <map>                <entry key="1">                    <ref bean="user"/>                </entry>                <entry key="2">                    <ref bean="user"/>                </entry>                <entry key="3">                    <ref bean="user"/>                </entry>            </map>        </property>    </bean>

UserService service = (UserService) context.getBean("userService");                System.out.println("userSet:===================");        Iterator it = service.getUserSet().iterator();        while(it.hasNext()){            User u = (User) it.next();            System.out.println(u);        }                System.out.println("userList:=================");        it = service.getUserList().iterator();        while(it.hasNext()){            User u = (User) it.next();            System.out.println(u);        }                System.out.println("userMap:==============");        it = service.getUserMap().entrySet().iterator();        while(it.hasNext()){            System.out.println(it.next());        }