C#集合类用法实例代码详解

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Collections;namespace 动态数组ArrayList{  class Program  {    static void Main(string[] args)    {      ArrayList a1 = new ArrayList();      a1.Add(100);      foreach (int number in new int[6] { 9, 3, 7, 2, 4, 8 })      {        a1.Add(number);      }      int[] number2 = new int[2] { 11, 12 };      a1.AddRange(number2);      a1.Remove(3);      a1.RemoveAt(3);      ArrayList al2 = new ArrayList(a1.GetRange(1,3));      Console.WriteLine("遍历方法1:");      foreach (int i in a1)      {        Console.WriteLine(i);      }      Console.WriteLine("遍历方法2:");      for (int i = 0; i < al2.Count; i++)      {        Console.WriteLine(al2[i]);      }      Console.ReadLine();    }  }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Collections;namespace Stack集合类{  class Program  {    static void Main(string[] args)    {      Stack s1 = new Stack();      Stack s2 = new Stack();      foreach (int i in new int[4] { 1, 2, 3, 4 })      {        s1.Push(i);        s2.Push(i);      }      foreach (int i in s1)      {        Console.WriteLine(i);      }      s1.Pop();      Console.WriteLine("出栈");      foreach (int i in s1)      {        Console.WriteLine(i);      }      int num=(int)s2.Peek();      Console.WriteLine("弹出最后一项{0}",num);      foreach (int i in s2)      {        Console.WriteLine(i);      }      Console.ReadLine();    }  }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Collections;namespace Queue集合类{  class Program  {    static void Main(string[] args)    {      Queue q1 = new Queue();      Queue q2 = new Queue();      foreach(int i in new int [4]{1,2,3,4})      {        q1.Enqueue(i);        q2.Enqueue(i);      }      foreach (int i in q1)      {        Console.WriteLine(i);      }      q1.Dequeue();      Console.WriteLine("q1出队");      foreach (int i in q1)      {        Console.WriteLine(i);      }      int num=(int)q2.Peek();      Console.WriteLine("取q2开始处{0}",num);      foreach(int i in q2)      {        Console.WriteLine(i);      }      Console.ReadLine();    }  }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Collections;namespace Hashtable集合类{  class Program  {    static void Main(string[] args)    {      Hashtable h = new Hashtable();      h.Add("E","e");      h.Add("B", "b");      h.Add("C", "c");      h.Add("A", "a");      foreach (DictionaryEntry e in h)      {        Console.Write("{0},{1} ", e.Key, e.Value);      }      Console.WriteLine();      string s = (string)h["C"];      Console.WriteLine(s);      if (h.Contains("E"))      {        Console.WriteLine("含有E");      }      Console.WriteLine(h["A"]);      h.Remove(h["A"]);      h.Clear();      foreach (DictionaryEntry e in h)      {        Console.Write("{0},{1} ", e.Key, e.Value);      }      Console.ReadLine();    }  }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Collections;namespace SortedList集合类{  class Program  {    static void Main(string[] args)    {      SortedList s1 = new SortedList();      s1["c"]=41;      s1["a"]=42;      s1["d"]=11;      s1["b"]=13;      foreach (DictionaryEntry e in s1)      {        string s = (string)e.Key;        int i = (int)e.Value;        Console.Write("{0},{1} ",s,i);      }      Console.ReadLine();    }  }}