黑马程序员——第一篇

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局部变量声明:

static void Main(){     int a;     int b = 2, c = 3;     a = 1;     Console.WriteLine(a + b + c); }

 

if 语句:

staticvoid Main(string[] args)

{     if (args.Length == 0)

{        Console.WriteLine("Noarguments");     }     else

{        Console.WriteLine("One or morearguments");      } }

switch 语句:

static void Main(string[]args) {     int n = args.Length;     switch (n) {        case 0:            Console.WriteLine("Noarguments");            break;        case 1:            Console.WriteLine("Oneargument");            break;        default:            Console.WriteLine("{0}arguments", n);            break;        }     } }

while 语句:

static void Main(string[]args) {     int i = 0;     while (i < args.Length) {        Console.WriteLine(args[i]);        i++;     } }

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posted @ 2012-02-14 16:46  耒來不是夢  阅读(51)  评论(0)    收藏  举报