springIOC: CI with dependent object

Address.java
=============

package myspring;

public class Address {
   
private String city;
private String state;
private String country;
public Address(String city, String state, String country) {
    super();
    this.city = city;
    this.state = state;
    this.country = country;
}

public String toString(){
    return city+" "+state+" "+country;
}
   
}

Employee.java
==============
package myspring;

public class Employee {
private int id;
private String name;
private Address address;//Aggregation
public Employee() {
    System.out.println("default constructor");
}

public Employee(int id, String name, Address address) {  
    this.id = id;
    this.name = name;
    this.address = address;
}

void show(){
    System.out.println(id+" "+name);
    System.out.println(address.toString());
}  
}

Beans.xml
=========

<?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-4.0.xsd">

    <bean id="addr" class="myspring.Address" >
        <constructor-arg value="Bengaluru"> </constructor-arg>
        <constructor-arg value="Karnataka"> </constructor-arg>
        <constructor-arg value="India"> </constructor-arg>
    </bean>
    <bean id="emp" class="myspring.Employee" >
        <constructor-arg value="111" type="int" > </constructor-arg>
        <constructor-arg value="Hari"> </constructor-arg>
        <constructor-arg>
            <ref bean="addr" ></ref>          
        </constructor-arg>
    </bean>


</beans>

Test.java
==========

package myspring;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Test {

      public static void main(String[] args) {
          ApplicationContext context = new ClassPathXmlApplicationContext("Beans.xml");
          Employee emp = (Employee)context.getBean("emp");
          emp.show();
    }
   
}