集合问题请教～！

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  用集合操作如何取得学校下面的所有的学生？

  不用foreach如何取得学校下面的所有的学生？

  using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Text;

  namespace TestJoin
  {
      class Program
      {
          static void Main(string[] args)
          {
              School s = new School();
              for (int i = 0; i < 5; i++)
              {
                  s.Classes.Add(new Class());
              }
              s.Classes[0].Students.Add(new Student(1, "a0"));
              s.Classes[1].Students.Add(new Student(1, "b0"));
              s.Classes[2].Students.Add(new Student(0, "c0"));
              s.Classes[3].Students.Add(new Student(0, "d0"));
              s.Classes[4].Students.Add(new Student(0, "e0"));

              s.Classes[0].Students.Add(new Student(0, "a1"));
              s.Classes[0].Students.Add(new Student(1, "a1"));
              s.Classes[0].Students.Add(new Student(1, "a2"));
              s.Classes[0].Students.Add(new Student(1, "a3"));
              s.Classes[1].Students.Add(new Student(0, "b1"));
              s.Classes[2].Students.Add(new Student(0, "c1"));
              s.Classes[3].Students.Add(new Student(0, "d1"));

              //如何取出school下的所有的student
              Console.ReadKey();
          }
      }
      class School
      {
          private  IList<Class> m_Classes = new List<Class> ();
          internal IList<Class> Classes
          {
            get { return m_Classes; }
            set { m_Classes = value; }
          }
      }
      class Class
      {
          private IList<Student> m_Students = new List<Student>();
          internal IList<Student> Students
          {
              get { return m_Students; }
              set { m_Students = value; }
          }
      }
      class Student
      {
          public Student(int i,string name)
          {
              m_Sex = i;
              m_Name = name;
          }

          private string m_Name;

          public string Name
          {
              get { return m_Name; }
              set { m_Name = value; }
          }

          private int m_Sex;

          public int Sex
          {
              get { return m_Sex; }
              set { m_Sex = value; }
          }
      }
  }
  

  2008年7月30日 3:35

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