现在要求设计一个表示学生的类，里面有学生的三项成绩，计算机成绩，数学成绩，英语成绩，要求可以求总分，平均分，最高分，最低分，并可以输出学生的完整信息，，请设计。-Design said a student' s class there are students of the three scores, results of computer, math, English, requirements can seek total score, average score, highest score, lowest score, and can output the complete information of the students, Please design.