namespace Test
{
class Stamp
{
public enum Genders
{
Male,
Female
}
public string Name { get; set; }
public int Age { get; set; }
private Genders gender;
public Genders Gender
{
get { return gender; }
set { gender = value; }
}
}
static class ReferenceAndValue
{
public static void ShowInfo()
{
Stamp stamp1 = new Stamp { Name = "MR", Age = 20 };
Stamp stamp2 = new Stamp { Name = "MJ", Age = 25 };
int age = stamp1.Age;
stamp1.Age = 30;
Stamp stamp3 = stamp2;
stamp2.Name = "MRKJ";
Console.WriteLine("stame1的Age：" + stamp1.Age);
Console.WriteLine("age is:" + age);
Console.WriteLine("stamp2 name is" + stamp2.Name);
Console.WriteLine("stamp3 name is" + stamp3.Name);
Console.WriteLine("stamp2 age is" + stamp2.Age);
Console.WriteLine("stamp1 age is" + stamp1.Age);
}
}
public enum Mrkj
{
CS = 1,
Java = 2,
C = 3
}
class Program
{
/*
readonly int roValue = 10;
public Program()
{
roValue = 20;
}
*/
string name = "name asdf";
static string company = "asdfdafdsafdasfdsafad";
static void Main(string[] args)
{
/*
Console.WriteLine(company);
Program pro = new Program();
Console.WriteLine(pro.name);
*/
/*
Console.Write("Hello World");
Console.WriteLine();
const double PI = 3.14;
Program pro = new Program();
Console.WriteLine(pro.roValue);
Console.WriteLine();
double first = 432.234;
Console.WriteLine(first);
int temp = (int)first;
int temp2 = Convert.ToInt32(first);
//int firstInt = Int32.Parse(first.ToString());//wrong
int tempInt = Int32.Parse(temp.ToString());//right
Console.WriteLine(tempInt);
int rise = 2;
double second;
second = Double.Parse((first * rise).ToString());
string str = "10";
int relust = Int32.Parse(str);
double db = Double.Parse(str);
//Console.WriteLine(db);
Console.WriteLine(relust);
*/
/*
ReferenceAndValue.ShowInfo();
*/
/*
Console.WriteLine((int)Mrkj.CS);
*/
/*
Stamp stmp = new Stamp();
stmp.Gender = Stamp.Genders.Male;
*/
/*
int i = 7;
int j = 6;
int result1 = i & j;//按位与
int result2 = i | j;//按位或
int result3 = ~i; // 按位取反
int result4 = i <<3;//左移3位 == 将原始值 * 2的3次方
int result5 = j >>4;//右移4位 == 将原始值 / 2的4次方
*/
/*
//is 运算符 同isKindOf
int i = 10;
bool result = i is string;
Console.WriteLine("请输入一个年份：");
int year = Convert.ToInt32(Console.ReadLine());
bool isleapyear = (year % 400 == 0) || ((year % 4 == 0) && (year % 100) == 0);
*/
/*
// typeOf() 获取原型对象类型
Type intType = typeof(int);
Console.WriteLine(intType);
*/
/*
int x = 24;
//x += x-- += x %= 17;
//应该改为
x += x--;
x += x %= 17;
// += 符号的左边 必须是变量
*/
/*
string name = "张三";
char sex = '男';
// char 同Char 一样， 并且只能用单引号、单个的字符
*/
//\n 回车换行
//\t 横向跳到下一个制表符位置
//\" 双引号
//\b 退格
//\r 回车
//\f 换页
//\\ 反斜杠
//\' 单引号符
/*
Console.WriteLine("C:\\Users\\Public\\Documents\\Tencent\\QQ");
Console.WriteLine(@"C:\Users\Public\Documents\Tencent\QQ");//两者相同
*/
Console.ReadLine();
}
}
}
