W3School TIY Editor

using System;

​

namespace MyApplication

{

  class Program

  {

    static void Main(string[] args)

    {

      bool isCSharpFun = true;

      bool isFishTasty = false;

      Console.WriteLine(isCSharpFun);   // 输出 True

      Console.WriteLine(isFishTasty);   // 输出 False    

    }

  }

}