C#入门篇-4：使用运算符

using System;
using System.Text;
using System.Collections;
using System.Collections.Generic;
using System.Text.RegularExpressions;

//004 使用运算符
namespace C004
{
    public class C1
    {
        //本例基本运算符
        public static void Fun()
        {
             % ;//求余数运算
            Console.WriteLine("intA={0}", intA);

             *  / 2.5;
            Console.WriteLine("doub={0}", doub);

            ;      //变量的特点

            int inty = ++intx; //在前面先做自身的改变，后参与运算

            int intz = intx++; //在后面先参与运算，后在自身改变

            Console.WriteLine("intx={0},inty={1},intz={2}", intx, inty, intz);
        }

        //本例演示单目运算符
        public static void Fun2()
        {
            string str = "一元运算符：" + "\r\n\n";
            int a;
            a = ;
            int a1 = ++a;
            str += "前自增：" + "a的值是：" + a.ToString() + ", " + "a1的值是：" + a1.ToString() + "\r\n";

            a = ;
            int a2 = --a;
            str += "前自减：" + "a的值是：" + a.ToString() + ", " + "a2的值是：" + a2.ToString() + "\r\n";

            a = ;
            int a3 = a++;
            str += "后自增：" + "a的值是：" + a.ToString() + ", " + "a3的值是：" + a3.ToString() + "\r\n";

            a = ;
            int a4 = a--;
            str += "后自减：" + "a的值是：" + a.ToString() + ", " + "a4的值是：" + a4.ToString() + "\r\n\n";

            a = ;
            int a5 = +a;
            str += "一元加" + "a的值是：" + a.ToString() + ", " + "a5的值是：" + a5.ToString() + "\r\n";

            a = ;
            int a6 = -a;
            str += "一元减" + "a的值是：" + a.ToString() + ", " + "a6的值是：" + a6.ToString();
            Console.WriteLine(str);
        }

        // 本例演示二进制的运算
        public static void Fun3()
        {
            ; //二进制为 00001010
            ; //二进制为 00010100

            // “与”运算
            int andResult = varA & varB;
            Console.WriteLine("10 & 20 = {0}", andResult);

            // “或”运算
            int orResult = varA | varB;
            Console.WriteLine("10 | 20 = {0}", orResult);

            // “异或”运算
            int notorResult = varA ^ varB;
            Console.WriteLine("10 ^ 20 = {0}", orResult);

            // “求补”运算
            Console.WriteLine("~ {0:x8}  = {1:x8}", varA, ~varA);

            // 按位右移
            Console.WriteLine();

            // 按位左移
            Console.WriteLine();
        }
    }
}