.net入門第一部分之c#基礎1

using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace test0225{ class Program { static void Main(string[] args) { Console.WriteLine("Hello world!"); string s = Console.ReadLine(); Console.WriteLine(s+"你好"); int i1 = 10; int i2 = 20; Console.WriteLine("{0}+{1}={2}",i1,i2,i1+i2);//占位符 Console.ReadKey();//按一下按鍵繼續執行 } }}