public class ShoppingCart 
{
    private List<Product> items = new ArrayList<Product>();
    public void addItem(Product item) 
    {
       items.add(item);
    }
    public List<Product> getItems() 
    {
       return items;
    }
}
 
   <beans ...>
 <bean id="aaa" class="com.shop.Battery">
 <property name="name" value="AAA" />
 <property name="price" value="2.5" />
 </bean>
 <bean id="cdrw" class="com.shop.Disc">
 <property name="name" value="CD-RW" />
 <property name="price" value="1.5" />
 </bean>
 <bean id="dvdrw" class="com.shop.Disc">
 <property name="name" value="DVD-RW" />
 <property name="price" value="3.0" />
 </bean>
 <bean id="shoppingCart" class="com.shop.ShoppingCart" />
   </beans>
 
   import org.springframework.context.ApplicationContext;
   import org.springframework.context.support.ClassPathXmlApplicationContext;
   public class Main 
   {
 public static void main(String[] args) {
 ApplicationContext context =
 new ClassPathXmlApplicationContext("beans.xml");
 Product aaa = (Product) context.getBean("aaa");
 Product cdrw = (Product) context.getBean("cdrw");
 Product dvdrw = (Product) context.getBean("dvdrw");
 ShoppingCart cart1 = (ShoppingCart) context.getBean("shoppingCart");
 cart1.addItem(aaa);
 cart1.addItem(cdrw);
 System.out.println("Shopping cart 1 contains " + cart1.getItems());
 ShoppingCart cart2 = (ShoppingCart) context.getBean("shoppingCart");
 cart2.addItem(dvdrw);
 System.out.println("Shopping cart 2 contains " + cart2.getItems());
 }
   }