Question
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());
}
}
a.
Shopping cart 1 contains (AAA 2.5, CD-RW 1.5)
Shopping cart 2 contains (AAA 2.5, CD-RW 1.5, DVD-RW 3.0)
b.
Shopping cart 1 contains (AAA 2.5, CD-RW 1.5)
Shopping cart 2 contains (DVD-RW 3.0)
c.
BeanCreationException
d.
None of the mentioned
Posted under Java Spring Framework
Shopping cart 2 contains (AAA 2.5, CD-RW 1.5, DVD-RW 3.0)
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