Introduction - If you have any usage issues, please Google them yourself
Objective:
1) further familiarity with object oriented design
2) familiar array
The experiment requires:
1) a group of 1-4 people
2) an application of a family of 3 grades, 4 majors and 12 classes of students is designed.
3) given that if the demand is 10 major, 30 classes. How to modify it. If the demand is in addition to statistical birthplace, there is a statistical age, how to modify it?
4) application can test run
To strengthen the statistics of student's personal information function, we can get the distribution of all the students' families, and divide them into classes, the statistics of the number of persons in the same province and the number of people in different provinces.