我行我素购物管理系统参考代码JAVA的实战-Shopping Management System Reference own way of actual JAVA code

北大青鸟我行我素购物管理系统实现控制台进行购物管理的功能，选择商品、购买商品与数量、生成价格-Beida Jade Bird persist in one s old ways shopping management system to achieve a control console for shopping management function, selection of goods, purchase of goods and quantity, generation price

实现菜单的级联效果 训练要点 方法的定义和调用 循环结构 需求说明 实现MyShopping菜单， 输入菜单项编号， 可以自由切换各个菜单(Implementation of cascading effects of menus Training points Definition and call of methods Cyclic structure Requirement descr iption Implement the MyShopping m