编辑代码

using System;

public class HelloWorld
{
    public static void Main()
    {
       int c = 4;
       Console.WriteLine(c=c^2);
       Console.WriteLine(c=c|2);
       Console.WriteLine(c=c&2);
       Console.WriteLine("sizeof(decimal)内存大小：" + sizeof(decimal));
       Console.WriteLine("sizeof(char)内存大小：" + sizeof(char));
       Console.WriteLine("sizeof(sbyte)内存大小：" + sizeof(sbyte));
      // Console.WriteLine(c=c^2);
    }
}