Question

C#利用循环生成10个学生对象,求所有学生的平均年龄

Answer 1

类定义： public class Student{ public int Age { get; set; }} 代码： ArrayList alStu = new ArrayList();for (int i = 1; i <= 10; i++){ Student _stu = new Student(); _stu.Age = i; alStu.Add(_stu);}int _iAvgAge = 0;int _iSum = 0;foreach (object _stuItem in alStu){ Student _tmp = (Student)_stuItem; _iSum += _tmp.Age;}_iAvgAge = _iSum / alStu.Count;