编辑代码

/*
关系运算符
    判断两个数据之间大/小/相等关系的运算符
    运算结果为Bool类型
    即true或false


*/


using System;

public class HelloWorld
{
    public static void Main()
    {

        Console.WriteLine("-------关系运算符-------------");
        //举例
       int A = 10, B = 20;
       Console.WriteLine("A = 10,B = 20");
       Console.WriteLine("A == B:" + (A == B));
       Console.WriteLine("A != B:" + (A != B));
       Console.WriteLine("A > B:" + (A > B));
       Console.WriteLine("A < B:" + (A < B));
       Console.WriteLine("A <= B:" + (A <= B));
       Console.WriteLine("A >= B:" + (A >= B));

       Console.WriteLine("-------逻辑运算符-------------");
       //举例
       int height = 180;

       Console.WriteLine("height > 175 & height < 190:" + (height > 175 & height < 190));
       Console.WriteLine("height > 175 | height < 190:" + (height > 175 | height < 190));
       Console.WriteLine("!(height > 190):" + !(height > 190));
       Console.WriteLine("height > 175 ^ height < 190:" + (height > 175 ^ height < 190));
       //当前的数值大于0，小于10，且是偶数

       int Num = 7;
       int Remainder = Num % 2;
       Console.WriteLine("==========例题=========");
       Console.WriteLine((Num > 0 & Num < 10 & Remainder == 0 ));


       Console.WriteLine("-------短路逻辑运算符-------------");
        int OneNum = 5;
        Console.WriteLine(OneNum > 8 & ++OneNum > 5);
        Console.WriteLine(OneNum);
        int TwoNum = 5;
        Console.WriteLine(TwoNum > 8 && ++TwoNum > 5); //当判断到前方为false，则不执行后续语句，++TwoNum也不执行
        Console.WriteLine(TwoNum);  

        int ThreeNum = 5;
        Console.WriteLine(ThreeNum > 8 | ++ThreeNum > 5);
        Console.WriteLine(ThreeNum);
        int FourNum = 5;
        Console.WriteLine(FourNum < 8 || ++FourNum < 2); //当判断到前方为true，则不执行后续语句，++FourNum也不执行
        Console.WriteLine(FourNum); 
    }
}