.Net基础篇_学习笔记_第五天_流程控制while循环002

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 流程语句02
{
    class Program
    {
        static void Main(string[] args)
        {
           
            string anwer= "";
            int i = 1;
            while (anwer != "yes" && i <= 10)
            {
                Console.WriteLine("你们会了么？yes/no?这已经是讲的第{0}遍了", i);
                anwer = Console.ReadLine();
                if (anwer == "yes")
                {
                    Console.WriteLine("既然会了，可以放学啦！");
                    break;
                }
                i++;
            }
            while (i > 10)
            {
                Console.WriteLine("老师都已经讲了第{0}遍了，你们不会也放学吧！",i);
                break;
            }
            Console.ReadKey();

        }
    }
}

 练习二：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 流程语句02
{
    class Program
    {
        static void Main(string[] args)
        {
            double person = 80000;
            int year = 2006; 
            while (person < 200000)
            {
                person *= 1.25;
                year++;
            }
            Console.WriteLine("在{0}年，人数超过200000人",year);
            Console.ReadKey();

        }
    }
}