catalog.java

SSD3 实验5的上交文件 自己实验做得

import java.util.*;
public class Catalog {
	private Vector <Product> products;
	public Catalog()
	{
		products=new Vector<Product>();
	}
	public void addProduct(Product product)
	{
		products.add(product);
	}
	public Iterator<Product> getProductsIterator()
	{
		return products.iterator();
	}
	public Product getProduct(String code)
	{
		for(Iterator<Product> iterator=getProductsIterator();iterator.hasNext();)
		{
			Product product = (Product)iterator.next();
			if(product.getCode().equals(code))
				return product;
		}
		return null;
	}
	public int getNumberOfProducts()
	{
		return products.size();
	}
}