C#语言编写一个程序：

Question

定义一个学生类Student，包含学号、姓名、性别、专业等属性，然后使用ArrayList类实现一个学生线性表，按学号进行排序，并尝试插入删除操作。

Answer 1

using System;
using System.Collections;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Student student1 = new Student
            {
                Id = 3,
                Name = "张三",
                Gender = "男",
                Major = "计算机专业"
            };
            Student student2 = new Student
            {
                Id = 2,
                Name = "李四",
                Gender = "女",
                Major = "计算机专业"
            };
            Student student3 = new Student
            {
                Id = 1,
                Name = "王五",
                Gender = "男",
                Major = "计算机专业"
            };
            Student student4 = new Student
            {
                Id = 4,
                Name = "赵六",
                Gender = "女",
                Major = "计算机专业"
            };

            // 插入数据
            ArrayList list = new ArrayList();
            list.Add(student1);
            list.Add(student2);
            list.Add(student3);
            list.Add(student4);

            // 根据Id排序
            StudentComparer comparer = new StudentComparer();
            list.Sort(comparer);
            foreach (Student item in list)
            {
                Console.WriteLine(item.Id + "," + item.Name);
            }

            // 删除性别为女的数据
            for (int i = list.Count - 1; i >= 0; i--)
            {
                Student student = list[i] as Student;
                if (student.Gender == "女")
                {
                    list.RemoveAt(i);
                }
            }
            Console.ReadKey();
        }
    }

    public class StudentComparer : IComparer
    {
        public int Compare(object x, object y)
        {
            Student a = x as Student;
            Student b = y as Student;
            if (a.Id < b.Id)
            {
                return -1;
            }
            else if (a.Id > b.Id)
            {
                return 1;
            }
            else
            {
                return 0;
            }
        }
    }

    public class Student
    {
        /// <summary>
        /// 学号
        /// </summary>
        public int Id { get; set; }

        /// <summary>
        /// 姓名
        /// </summary>
        public string Name { get; set; }

        /// <summary>
        /// 性别
        /// </summary>
        public string Gender { get; set; }

        /// <summary>
        /// 专业
        /// </summary>
        public string Major { get; set; }
    }
}