将整个 ArrayList 复制到兼容的一维 Array

usingSystem;
usingSystem.Collections;
publicclassSamplesArrayList{

publicstaticvoidMain(){

//CreatesandinitializesthesourceArrayList.
ArrayListmySourceList=newArrayList();
mySourceList.Add("three");
mySourceList.Add("napping");
mySourceList.Add("cats");
mySourceList.Add("in");
mySourceList.Add("the");
mySourceList.Add("barn");

//Createsandinitializestheone-dimensionaltargetArray.
String[]myTargetArray=newString[15];
myTargetArray[0]="The";
myTargetArray[1]="quick";
myTargetArray[2]="brown";
myTargetArray[3]="fox";
myTargetArray[4]="jumped";
myTargetArray[5]="over";
myTargetArray[6]="the";
myTargetArray[7]="lazy";
myTargetArray[8]="dog";

//DisplaysthevaluesofthetargetArray.
Console.WriteLine("ThetargetArraycontainsthefollowing(beforeandaftercopying):");
PrintValues(myTargetArray,'');

//CopiesthesecondelementfromthesourceArrayListtothetargetArray,startingatindex7.
mySourceList.CopyTo(1,myTargetArray,7,1);

//DisplaysthevaluesofthetargetArray.
PrintValues(myTargetArray,'');

//CopiestheentiresourceArrayListtothetargetArray,startingatindex6.
mySourceList.CopyTo(myTargetArray,6);

//DisplaysthevaluesofthetargetArray.
PrintValues(myTargetArray,'');

//CopiestheentiresourceArrayListtothetargetArray,startingatindex0.
mySourceList.CopyTo(myTargetArray);

//DisplaysthevaluesofthetargetArray.
PrintValues(myTargetArray,'');

}

publicstaticvoidPrintValues(String[]myArr,charmySeparator){
for(inti=0;i<myArr.Length;i++)
Console.Write("{0}{1}",mySeparator,myArr[i]);
Console.WriteLine();
}

}


/*
Thiscodeproducesthefollowingoutput.

ThetargetArraycontainsthefollowing(beforeandaftercopying):
Thequickbrownfoxjumpedoverthelazydog
Thequickbrownfoxjumpedoverthenappingdog
Thequickbrownfoxjumpedoverthreenappingcatsinthebarn
threenappingcatsinthebarnthreenappingcatsinthebarn

*/

还记得当初我刚出去面试的时候，一个经典的小算法题目，我是用的最菜鸟最原始的方式，以下是我写的代码

usingSystem.Collections;

namespace面试题目
{
class数组操作
{
privatestringname;
///<summary>
///产生一个int数组，长度为100，并向其中随机插入1-100，并且不能重复。
///</summary>
publicvoidinsertArr()
{
//定义一个长度为100的数组
int[]arr=newint[100];
//定义动态数组--方便储值
ArrayListlist=newArrayList();
Randomran=newRandom();
//当动态数组个数不满100时，循环生成随机数
while(list.Count<100)
{
intnum=ran.Next(1,101);
//如果产生的随机数不包含在动态数组list中（不重复），就添加进list
if(!list.Contains(num))
{
list.Add(num);
}
}
//通过循环，将动态数组list中的元素复制给数组arr
for(inti=0;i<100;i++)
{
arr[i]=(int)list[i];
}
}
}
}