关于逻辑运算符的通俗理解

class Program
    {
        static void Main(string[] args)
        {
            int a = 123, b = 0;
            int result;

            #region 1.逻辑 非(~) 运算

            a = 123;
            result = (byte)~a;
            Console.WriteLine("{0} 非(~) 的运算", a);
            PrintResult(result, a, b);
            
            #endregion

            #region 2.逻辑 与(&) 运算

            b = 12;

            result = a & b;
            Console.WriteLine("{0} 与(&) {1} 的运算", a, b);
            PrintResult(result, a, b);

            #endregion

            #region 3.逻辑 或(|) 运算

            result = a & b;
            Console.WriteLine("{0} 或(|) {1} 的运算", a, b);
            PrintResult(result, a, b);

            #endregion

            #region 3.逻辑 异或(^) 运算

            result = a ^ b;
            Console.WriteLine("{0}  异或(^) {1} 的运算", a, b);
            PrintResult(result, a, b);

            #endregion

            #region 4.左位移(<<) 运算
            a = 5;
            b = 4;
            result = (byte)(a << b);
            Console.WriteLine("{0} 左移位( << ) {1}", a, b);
            Console.WriteLine("运算结果:\t{0}", result);
            Console.WriteLine("{0}的2进制值为:\t{1}", a, FormatBase2(a));
            Console.WriteLine("{0}的2进制值为:\t{1}", result, FormatBase2(result));

            #endregion

            #region 5.右位移(>>) 运算
            a = 5;
            b = 1;
            result = (byte)(a >> b);
            Console.WriteLine("{0} 右移位( >> ) {1}", a, b);
            Console.WriteLine("运算结果:\t{0}", result);
            Console.WriteLine("{0}的2进制值为:\t{1}", a, FormatBase2(a));
            Console.WriteLine("{0}的2进制值为:\t{1}", result, FormatBase2(result));
            
            #endregion

            Console.ReadKey();
        }

        static void PrintResult(int result, int a, int b)
        {
            Console.WriteLine("运算结果:\t{0}", result);
            Console.WriteLine("{0}的2进制值为:\t{1}", a, FormatBase2(a));
            if (b > 0)
            {
                Console.WriteLine("{0}的2进制值为:\t{1}", b, FormatBase2(b));
            }
            Console.WriteLine("{0}的2进制值为:\t{1}", result, FormatBase2(result));
            Console.WriteLine();
        }

        static string FormatBase2(int num)
        {
            string r = Convert.ToString(num, 2);
            while (r.Length < 8)
            {
                r = "0" + r;
            }
            return r;
        }
    }