目录1、继承与派生是C++的核心概念2、什么是继承与派生3、c++中继承与派生的作用3.1 实际代码中说明3.2 继承类型的详细说明记忆口诀（简短好记）总结1、继承与派生是C++的核心概念
Background: We are in the process of writing a registration/payment page, and our philosophy was to code all validation and error checking on the server side first, and then add client side validation
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