pblm with property in xml file

My Xml File 
 
<?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-2.5.xsd">
 
	
 
 
	<bean id="product" class="springapps.service.simpleProductManager">
		<property name="product">
			<list>
				<ref bean="pro1" />
				<ref bean="pro2" />
			</list>
		</property>
	</bean>
 
 
 
	<bean id="pro1" class="springapps.Bean.ProduectBean">
		<property name="product_no" value="00001"></property>
		<property name="product_details" value="s/w product"></property>
		<property name="price" value="200"></property>
	</bean>
 
	<bean id="pro2" class="springapps.Bean.ProduectBean">
		<property name="product_no" value="00002"></property>
		<property name="product_details" value="machanic product"></property>
		<property name="price" value="5000"></property>
	</bean>
 
 
<bean name="/hello.do"
		class="springapps.controller.HelloController">
		<property name="product" ref="product"></property>
	</bean>
 
 
 
 
	<bean id="viewReslover"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="viewClass"
			value="org.springframework.web.servlet.view.JstlView">
		</property>
		<property name="prefix" value="/Jsp/"></property>
		<property name="suffix" value=".jsp"></property>
	</bean>
 
</beans>
 
 
My Controller 
 
public class HelloController implements Controller{
	
	private ProductInter productInter;
	
	public ModelAndView handleRequest(HttpServletRequest req, HttpServletResponse res)throws ServletException,IOException
	{
		String now =(new Date()).toString();
		System.out.println("inside controller");
		
		Map myModel=new HashMap();
		myModel.put("now",now);
		myModel.put("pro",this.productInter.getProduct());
	
		return new  ModelAndView("hello","myModel",myModel);
	}
	
	public void SetProductInter(ProductInter productInter) {
        productInter = productInter;
	
}
 
}
 
 
ProductInter is an inter face thats have two methods called getProdect and incresePrice
 
Which name i want to mention in the proerty !! 
y we mention can any one explain in this 

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public class ProduectBean  implements Serializable{
	
	private String product_no;
	private String product_details;
	private int price;
	public String getProduct_no() {
		return product_no;
	}
	public void setProduct_no(String product_no) {
		this.product_no = product_no;
	}
	public String getProduct_details() {
		return product_details;
	}
	public void setProduct_details(String product_details) {
		this.product_details = product_details;
	}
	public int getPrice() {
		return price;
	}
	public void setPrice(int price) {
		this.price = price;
	}
 
}
 
 
simpleProductManager is productInter implemented one 
public class simpleProductManager implements ProductInter {
	private List product;
	public int increasePrice(){
		
		return 1;
	}
	public List getProduct()
	{
	
		return product;
	}
	public void setProduct(List product)
	{
		this.product=product;
	}
 
}
 
this what my whole code 
 
can u tell me now !! 

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