Spring Framework

<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
<bean id="b" class="org.r4r.Burger" scope="prototype"/>
<bean id="a" class="org.r4r.Attendant" >
</bean>
</beans>

package org.r4r;
public class Burger {
static int burgerCounter;
int burgerNo;
public Burger(){
burgerCounter++;
burgerNo=burgerCounter;
System.out.println("New burger is created...");
}
public String toString(){
return "It is burger number:-"+burgerNo;
}
}

package org.r4r;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
public class Attendant implements BeanFactoryAware{
BeanFactory beanfactory;
/*In this approach same Burger provided by Attendant
 * Then solved this approach after commented code
 * Burger burger;
public Attendant(Burger burger) {
super();
this.burger = Burger;
System.out.println("Attendant bean is created...");
}
public Burger getBurger(){
return burger;
}*/
@Override
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
beanfactory=beanFactory;
System.out.println("Reference of IOC container is provided to attendant.");
}
public Attendant() {
System.out.println("Attendant bean is created...");
}
public Burger getBurger(){
return (Burger)beanfactory.getBean("b");
}
}

package org.r4r;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
public class Test {
public static void main(String[] args) {
Resource r=new ClassPathResource("applicationContext.xml");
BeanFactory f=new XmlBeanFactory(r);
System.out.println("Obtaining attendant bean....");
Attendant a=(Attendant)f.getBean("a");
System.out.println("Requesting two burger.....");
Burger b1=a.getBurger();
System.out.println(b1);
Burger b2=a.getBurger();
System.out.println("Description of second burger...");
System.out.println(b2);
}
}