static member function

A static member of a class is a love-hate trait. I decided to summarize the knowledge points of static class members so that I would not be passive on such issues in future interviews.Static class members include both static data members and static

#include using namespace Std;class date{public:int day,month,year; void init (int,int,int); void Print_ Ymd ();}; void Date::init (int yy, int mm, int dd) {year = yy; month = mm; day = DD;} void Date::p rint_ymd () {std::cout init (2006, 3, 28); P1->

// The static member function indirectly accesses non-static data members. // Static member functions can directly reference static data members and static member functions of the class, but cannot // Directly reference non-static data members and

In the process of C ++ object-oriented programming, data between objects is not shared. When designing a class, sometimes data shared between objects is required, in addition to setting the data to be shared as global data or functions, you can also

class the member function and the const - mutable  member functionsFushu.h#pragma once#include class fushu{public:int x;int Y;public:fushu (); ~fushu (); void show (), inline void showall (int x, int y);//explicit inline void setxy (int x, int y)

The static member function of the PHP class is more efficient than the ordinary member function of the class.Example://php static method testHeader(' content-type:text/html; Charset=utf-8 ');classxclass{ Public Static $var 1= ' 1111111111111111 ';

# Include Using namespace STD;Class{Public:A (int I){A = I; }Int fun (int B){Return a * C + B;}Int C;PRIVATE:Int;}; Int main (){A x (18 );Int A: * PC;PC = & A: C;X. * Pc = 5;INT (A: * pfun) (INT );Pfun = A: fun;A * P = & X;Cout * pfun) (10)

Summary of the use of C + + static member variables and static member functions: one. Static member Variable:A data member in a class body is preceded by a static keyword, and the data member becomes a statically data member of the class. As with

//PointtoMemberFunction.cpp:Defines the entry point for the console application.//#include"stdafx.h"#includeusing namespacestd;classa{ Public: voidf () {cout"f ()"Endl; } Virtual voidg () {cout"g ()"Endl; } Static voidh () {cout"h ()"Endl; }

Static member features  Static member functionsNo this pointer. Static member functionsCannot be declared as Const. Static member functionsCannot be declared as a virtual function. Static member functionsYou can directly access static

In the previous article, we briefly introduced the surfaceflinger service in the surface mechanism of the Android system. The surfaceflinger service is started in the system process and is responsible for unified management of the device's frame

Static is a common keyword in C + + that is used to control how variables are stored and visible.In a class definition, its members, including data members and member functions, can be declared as static members with the keyword static. The

A static member function is a member function of a class that does not belong to any of the objects requested by that class, but rather a function common to all members of that class. For example, there are 10 people in your class (10 for example,

In general, if there are N homogeneous objects, each object has its own member variable, and the member variables of the different objects have their own values, which are irrelevant to each other. But sometimes we want to have one or several member

The static of C + + has two usages: static in process-oriented programming and static in object-oriented programming. The former applies to ordinary variables and functions, and does not involve classes; the latter mainly describes the role of

  Pointer to a class member In C ++, you can define a pointer to point to class members or member functions, and then use the pointer to refer to class members. This includes the pointer to the property member and the pointer to the member

Static Keywords of C ++ The static function of C ++ has two usage methods: static in process-oriented programming and static in object-oriented programming. The former applies to common variables and functions, and does not involve classes. The

Use of std::tr1::function and bind components in C + + The TR1 in C + + (technology report) contains a function template class and a bind template function, which can be used to implement functions similar to function pointers, but are

The static of C + + has two usages: static in process-oriented programming and static in object-oriented programming. The former applies to ordinary variables and functions, and does not involve classes; the latter mainly describes the role of

Data members can be divided into static variables, non-static variables, two kinds.Static member: A member in a static class joins the static modifier, which is a statically member. You can access this static member directly using the class name +