C#中ArrayList 类的使用详解

// 创建一个空的ArrayList，并添加一些元素.
ArrayList stringList = new ArrayList();
stringList.Add("a");
stringList.Add("abc");
stringList.Add("abcdef");
stringList.Add("abcdefg");

Console.WriteLine("Element {0} is \"{1}\"", 2, stringList[2]);
try
{
    Console.WriteLine("Element {0} is \"{1}\"", 4, stringList[4]);
}
catch (ArgumentOutOfRangeException aoore)
{
    Console.WriteLine("stringList({0}) is out of range.", 4);
}

// 创建并初始化新的ArrayList
ArrayList myAL = new ArrayList();
myAL.Add("ab");
myAL.Add("cd");
myAL.Add("efg");

// 创建并初始化新队列.
Queue myQueue = new Queue();
myQueue.Enqueue("and");
myQueue.Enqueue("new arraylist");

// 将队列元素复制到ArrayList的末尾.
myAL.AddRange(myQueue);

foreach (Object obj in myAL)
{
    Console.Write("{0} ",obj);
}

// 创建并初始化新的ArrayList
ArrayList myAL = new ArrayList();
myAL.Add("ab");
myAL.Add("cd");
myAL.Add("efg");

// 克隆动态数组到新的动态数组里.
ArrayList newArray = (ArrayList)myAL.Clone();

foreach (Object obj in newArray)
{
    Console.Write("{0} ",obj);
}

ArrayList myAL = new ArrayList();

myAL.Add("ab");
myAL.Add("cd");
myAL.Add("efg");
myAL.Add(true);


myAL.Remove(true);//移除单个元素
foreach (Object obj in myAL)
{
    Console.Write("{0} ", obj);
}

ArrayList myAL = new ArrayList();

myAL.Add("ab");
myAL.Add("cd");
myAL.Add("efg");

myAL.RemoveAt(1);//根据下标号删除元素
foreach (Object obj in myAL)
{
    Console.Write("{0} ", obj);
}

ArrayList myAL = new ArrayList();

myAL.Add("ab");
myAL.Add("cd");
myAL.Add("efg");
myAL.Add("lm");
myAL.Add("nopq");

myAL.RemoveRange(1,3);//根据下标范围删除元素
foreach (Object obj in myAL)
{
    Console.Write("{0} ", obj);
}

ArrayList myAL = new ArrayList();

myAL.Add("ab");
myAL.Add("cd");
myAL.Add("efg");

myAL.Reverse();//反转所有元素
foreach (Object obj in myAL)
{
    Console.Write("{0} ", obj);
}

ArrayList myAL = new ArrayList();

myAL.Add("ab");
myAL.Add("cd");
myAL.Add("efg");

myAL.Insert(2,"new");
foreach (Object obj in myAL)
{
    Console.Write("{0} ", obj);
}

ArrayList myAL = new ArrayList();
int[] shuzu= {1,2,3,4,5};
myAL.Add("ab");
myAL.Add("cd");
myAL.Add("efg");

myAL.InsertRange(2, shuzu);//指定位置，插入集合
foreach (Object obj in myAL)
{
    Console.Write("{0} ", obj);
}

ArrayList myAL = new ArrayList();
myAL.Add("ab");
myAL.Add("cd");
myAL.Add("efg");
myAL.Add("nopq");

bool b = myAL.Contains("nopq");//是否包含指定元素
Console.WriteLine("是否包含nopq = {0}", b);