12.2 Base Classes and derived Classes Base class(基类):被继承的类。 Derived class(派生类):继承后得到的类 Base class Derived classes student GraduateStudent, Undergraduatestudent shape Circle, Triangle, Rectangle, sphere, Cube Loan CarLoan, HomeImprovementLoan, MortgageLoan Employee Faculty Staff Account CheckingAccount, SavingsAccount Class graduateStudent: public Student(……} ●。● 0 2018, SEU. All rights reserved. 8© 2009, SEU. All rights reserved. © 2018, SEU. All rights reserved. 8 12.2 Base Classes and Derived Classes Base class(基类)：被继承的类。 Derived class(派生类)：继承后得到的类。 Base class Derived classes Student GraduateStudent, UndergraduateStudent Shape Circle, Triangle, Rectangle, Sphere, Cube Loan CarLoan, HomeImprovementLoan, MortgageLoan Employee Faculty, Staff Account CheckingAccount, SavingsAccount Class GraduateStudent: public Student{……}; ……