What is virtual class and friend class, C/C++ Programming

Assignment Help:

Friend classes are used when two or more classes are designed to work together and require access to each other's execution in ways that the rest of the world shouldn't be permitted to have. In other words, they help keep private things private. For instance, it may be desirable for class DatabaseCursor to have more privilege to the internals of class Database than main() has.               

 

 


Related Discussions:- What is virtual class and friend class

Pointers, In this sub-task will you implement three functions for the final...

In this sub-task will you implement three functions for the final three function prototypes that will do exactly the same as the three functions that you have just written. This ti

How to write program, how to write a program for all the types of beam reac...

how to write a program for all the types of beam reactions

What is mime, What is MIME? MIME - Multi-purpose Internet Mail Extens...

What is MIME? MIME - Multi-purpose Internet Mail Extensions. MIME types signifies a standard way of classifying file types over Internet. Browsers and Web servers have

#tit, Write a program to find the area under the curve y = f(x) between x =...

Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b

Source code for decoe to code, i am using mobile phone if i want to communi...

i am using mobile phone if i want to communicate via massage but that should be very secret

Day calculate b/w two dates, Write a function that calculates the number of...

Write a function that calculates the number of elapsed days between two dates. For example the days between Feb 3, 1970 and June 21, 1980? Becareful for the Leap year.

Iteration problem, my program does not run more than 9 iterations when ever...

my program does not run more than 9 iterations when ever i want to iterate more than 100 iterations. what is the reason and how to tackle?

Pebble merchant, there is a pebble merchant. he sells the pebbles,that are ...

there is a pebble merchant. he sells the pebbles,that are used for shining the floor.his main duty is to take the length of the room side but he sometines mistakes doing that and m

Can you overload a function depend only on whether parameter, Can you overl...

Can you overload a function depend only on whether a parameter is a value or a reference? A: No. Passing by value and reference looks identical to the caller.

Define bit fields, Define Bit Fields Bit Fields permits the packing of ...

Define Bit Fields Bit Fields permits the packing of data in a structure. This is particularly useful when memory or data storage is at a premium. Usual examples: Packing

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