Introduction - If you have any usage issues, please Google them yourself
In order paper " stud1.dat" Students learn to add three numbers (2008005 ~ 2008007), name, and three class achievements, and then read all the records, calculate each student' s total score and average score, according to total score from high to low to each student' s student number, name, three-course results, the average points score and write sequential file " stud2.dat" , while the form is displayed.