static void MyIterator()
{
#region student
Students students = new Students();
Student st = new Student();
st.Name = "lili";
students.Add(st);
st = new Student();
st.Name = "OK";
students.Add(st);
foreach (Student obj in students)
{
Console.WriteLine(obj.Name);
}
#endregion
#region teacher
Teachers ts = new Teachers();
Teacher t1 = new Teacher(1001, "t1", 33);
Teacher t2 = new Teacher(1002, "t2", 34);
ts.Add(t1);
ts.Add(t2);
foreach (Teacher t in ts)
{
Console.WriteLine("{0}, {1}, {2};", t.Tid.ToString(), t.Name, t.Age.ToString());
}
// other methods for the foreach
{
IEnumerator enumerator = ts.GetEnumerator();
Teacher t;
while (enumerator.MoveNext())
{
t = (Teacher)enumerator.Current;
Console.WriteLine("{0}, {1}, {2};", t.Tid.ToString(), t.Name, t.Age.ToString());
}
}
#endregion
#region doctor
// using IEnumerable<T> interface
Doctors ds = new Doctors();
Doctor d1 = new Doctor("lili", 28);
Doctor d2 = new Doctor("wang", 30);
ds.Add(d1);
ds.Add(d2);
foreach (Doctor d in ds)
{
Console.WriteLine("{0}, {1};", d.Name, d.Age.ToString());
}
Console.WriteLine();
{
IEnumerator enumerator = ds.GetEnumerator();
Doctor d;
while (enumerator.MoveNext())
{
d = (Doctor)enumerator.Current;
Console.WriteLine("{0}, {1};", d.Name, d.Age.ToString());
}
}
Console.WriteLine();
{
IEnumerator<Doctor> enumerator = ds.GetEnumerator();
Doctor d;
while (enumerator.MoveNext())
{
d = enumerator.Current;
Console.WriteLine("{0}, {1};", d.Name, d.Age.ToString());
}
}
#endregion
#region myStack
MyStack<int> s = new MyStack<int>();
for (int i = 0; i < 10; i++)
{
s.Push(i);
}
// Prints: 9 8 7 6 5 4 3 2 1 0
// Foreach legal since s implements IEnumerable<int>
foreach (int n in s)
{
System.Console.Write("{0} ", n);
}
System.Console.WriteLine();
// Prints: 9 8 7 6 5 4 3 2 1 0
// Foreach legal since s.TopToBottom returns IEnumerable<int>
foreach (int n in s.TopToBottom)
{
System.Console.Write("{0} ", n);
}
System.Console.WriteLine();
// Prints: 0 1 2 3 4 5 6 7 8 9
// Foreach legal since s.BottomToTop returns IEnumerable<int>
foreach (int n in s.BottomToTop)
{
System.Console.Write("{0} ", n);
}
System.Console.WriteLine();
// Prints: 9 8 7 6 5 4 3
// Foreach legal since s.TopN returns IEnumerable<int>
foreach (int n in s.TopN(7))
{
System.Console.Write("{0} ", n);
}
System.Console.WriteLine();
#endregion
}
