//定义一个有五个变量的string类型数组
string [ ] s  = new atring [ 5 ];    
s [0] = "aaa";  //索引 0 所对应的字符串值是 aaa
s [1] = "bbb";  
     ......            //最多定义五个                                                                               

string[] sss = new string[ ] { "aaa", "bbb", "ccc", "ddd", "eee" };
 //花括号有多少就默认数组长度多少。

string[] sss = new string[5] { "aaa", "bbb", "ccc", "ddd", "eee" };

 int[  ] a = new int[] { 1,5,7};
 int b = a[ 0 ];        //赋值
 a[0] = a[a.Length - 1];
 a[a.Length - 1] = b;
  for (int i = 0; i < a.Length; i++)
｛
   Console.WriteLine(  a[i]  );   // 取值
｝                                                                                

// 将用户输入的内容放入数组中并输出。
  string [ ] ss = new string [ 5 ] ;
  for ( int i = 0 ; i < ss.Length ; i++ );
  {
     Console.Write("请输入第“+ i +1+”个内容");
      ss [ i ] = Console.ReadLie();
  }
  for ( int i = 0 ; i < ss.Length ; i++ );
  {
      Console.WriteLine( ss [ i ] );
  }

//简单的抽奖设计
string [ ] sss = new string [ ] {"升官","发财","娶老婆","换车","换房","换新颜"};
   Random r = new Random();
   int a = r . Next( 0, sss.Langth );
   Console.WriteLine( sss[ a ] );

// 让数据停一会
  for (int i =0 ; i<10 ;i++)
{
  Console.WriteLine(i);
  System.Threading.Thread.sleep(500); //让数字有时间间隔的打印出来    括号内为毫秒  1000毫秒= 1 秒
  Console.Clear(); //见打印结果清除  
}
  

//strss这个个二维数组有2个一维数组，每一个一维数组中有3个变量  
string[ , ] strss = new string[ 2 , 3 ]{ {"a","b","c"} ,{"aa","bb","cc"} }         
                

//有2个二维数组，每一个二维数组中有3个一维数组，每一个一维数组中有4个变量
 string[,,] strsss = new string[2,3,4];