2. C# -- do{...} while()；while(){...}；for()的用法

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
    class Program
{
        static void Main(string[] args)
{
            Console.WriteLine("Output the do{...} while() result");
            int i = 1;
            do 
{
                Console.WriteLine("{0}",i++);
}
            while(i<=10);
　
            Console.WriteLine("Output the while(){...}  result");
            int j = 1;
            while(j<=10)
{
                Console.WriteLine("{0}",j++);
}
            Console.WriteLine("Output for(;;)  result");
            int k = 1;
            for (k = 1; k <= 10; ++k)
{
                Console.WriteLine("{0}",k);
}
            Console.ReadLine();
}
}
}