public class UserConfiguration {

 private int id;

 private String name;

 private String city;

 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 String getCity() {
  return city;
 }

 public void setCity(String city) {
  this.city = city;
 }
}

public class UserClient {

 private UserConfiguration configuration;

 public UserClient(UserConfiguration configuration) {
  this.configuration = configuration;
 }

 public String getCity() {
  return configuration.getCity();
 }

}

<?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="userConfiguration" class="com.rhwayfun.springboot.starter.rest.UserConfiguration">
  <property name="id" value="${user1.id}"/>
  <property name="name" value="${user1.name}"/>
  <property name="city" value="${user1.city}"/>
 </bean>

 <bean id="userClient" class="com.rhwayfun.springboot.starter.rest.UserClient" autowire="byName">
  <constructor-arg ref="userConfiguration"/>
 </bean>

</beans>

<?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="userConfiguration" class="com.rhwayfun.springboot.starter.rest.UserConfiguration">
  <property name="id" value="${user2.id}"/>
  <property name="name" value="${user2.name}"/>
  <property name="city" value="${user2.city}"/>
 </bean>

 <bean id="userClient2" class="com.rhwayfun.springboot.starter.rest.UserClient">
  <constructor-arg ref="userConfiguration"/>
 </bean>

</beans>

user1.id=1
user1.name=bean1
user1.city=Hangzhou

user2.id=2
user2.name=bean2
user2.city=Shanghai

@SpringBootApplication
public class Application{

 @Autowired
 UserClient userClient2;

 @PostConstruct
 public void init() {
  String city = userClient2.getCity();
  System.out.println(city);
 }

 public static void main(String[] args) throws InterruptedException {
  SpringApplication.run(Application.class, args);
  Thread.sleep(Long.MAX_VALUE);
 }

}

Overriding bean definition for bean 'userConfiguration' with a 
different definition: replacing [Generic bean: class 
[com.rhwayfun.springboot.starter.rest.UserConfiguration]; scope=; 
abstract=false; lazyInit=false; autowireMode=0; 
dependencyCheck=0; autowireCandidate=true; primary=false; 
factoryBeanName=null; factoryMethodName=null; initMethodName=null; 
destroyMethodName=null; 
defined in file [/Users/chubin/IdeaProjects/spring-boot-learning-examples/
spring-boot-starter-rest/target/classes/beans.xml]] with 
[Generic bean: class [com.rhwayfun.springboot.starter.rest.UserConfiguration]; 
scope=; abstract=false; lazyInit=false; autowireMode=0; dependencyCheck=0; 
autowireCandidate=true; primary=false; factoryBeanName=null; 
factoryMethodName=null; initMethodName=null; destroyMethodName=null; defined in 
file [/Users/chubin/IdeaProjects/spring-boot-learning-examples
/spring-boot-starter-rest/target/classes/beans2.xml]]

/**
  * Useful constant for the highest precedence value.
  * @see java.lang.Integer#MIN_VALUE
  */
 int HIGHEST_PRECEDENCE = Integer.MIN_VALUE;

 /**
  * Useful constant for the lowest precedence value.
  * @see java.lang.Integer#MAX_VALUE
  */
 int LOWEST_PRECEDENCE = Integer.MAX_VALUE;