添加一个名为grocerybasket的新公共类。如何从通用列表类派生并确保只将groceryitem对象存储为项目... [英] add a new public class named grocerybasket. How do I derive from the generic list class and ensure that only groceryitem objects are stored as items...

问题描述

从通用List类添加一个名为grocerybasket的新公共类

-derive

- 确保只将groceryItem对象存储为项

解决方案

这看起来像一个标准的家庭作业问题;请参阅 https://www.google.com/search?q=c%23%20classes%20tutorial [ ^ ]

add a new public class named grocerybasket
-derive from the generic List class
-ensure that only groceryItem objects are stored as items

解决方案

This looks like a standard homework question; see https://www.google.com/search?q=c%23%20classes%20tutorial[^].

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