Pointer declaration for data member, C/C++ Programming

Assignment Help:

Pointer declaration for data member: Method 1:

int M::* px; // This is known as pointer-to-member declared for class member of A.

px = &M::x;//The pointer px is pointing to the data member m in the class A. int S1;

S1=m.*px; 

Method 2: M *pm; pm=&m; int M::*py; py=&M::y; int S2;

S2=pm->*py;//pointer-to-object->*pointer-to-member function


Related Discussions:- Pointer declaration for data member

How do you access the values within an array, How do you access the values ...

How do you access the values within an array? - Arrays comprise a number of elements, which depends on the size you assigned it during variable declaration. - Every element

Explain the #undef directive, The #undef Directive This directive undef...

The #undef Directive This directive undefines a previously explained macro. For, example the following will give an error since PI is undefined.                 #define PI 3

Program to show the ascii value of characters, Program to show the ascii va...

Program to show the ascii value of characters: int main() {                 int one_char;                 cout                 one_char = getch();

Rules of inheritance, Rules of Inheritance: Private members are not...

Rules of Inheritance: Private members are not inherited; the members can be accessed only within its class. It cannot be used through the object. Protected members are

Minimum shelf, At a shop of marbles, packs of marbles are prepared. Packets...

At a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with thes

Give example of the for loop, The for Loop For loop is the controlled f...

The for Loop For loop is the controlled form of loop. The general format of this : for( initialize ; test ; update)                  {                     statements;

Project, Project Overview A certain financial institution (bank) wishes to ...

Project Overview A certain financial institution (bank) wishes to promote its new business products/services by conducting road shows in rural areas. Their aim is to encourage peop

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd