shoppingcartitem.java

一个简单的网上购书系统

package mypack;

public class ShoppingCartItem {
	Object item;
	int quantity;
	
	public ShoppingCartItem(Object anItem) {
		item = anItem;
		quantity = 1;
	}
	
	public void incrementQuantity() {
		quantity++;
	}
	
	public void decrementQuantity() {
		quantity--;
	}
	
	public Object getItem() {
		return item;
	}
	
	public int getQuantity() {
		return quantity;
	}
}