Introduction - If you have any usage issues, please Google them yourself
Experimental class inheritance experiments.Write a base class Shape, on the basis of the derived classes Triangle and Circle, both to calculate the function of the object area GetArea () function to calculate the object perimeter GetPerim ().
4. Develop a simple university personnel management program, the program can manage the University some of the basic staff: students (student) teachers (teacher), professor (professor). First, the design of a virtual base class person Show. Class to save the most basic information: name (name), age (age) and gender (sex). Derived student class student and teacher class teacher and then use the class in which to add their own features, such as in the student class, add the following information: professional (speciality), added in the teacher class faculty (department). There are some teachers in the work at the same time are pursuing a degree, so also has the dual capacity of teachers and students, so again by the student class and the teacher cl