Explain syntax rules for writing constructor functions, C/C++ Programming

Assignment Help:

Syntax rules for writing constructor functions

  • Its name must be similar as that of the class to which it belongs.
  • It is declared with no return type (not even void). However, it will implicitly return a temporary copy of the instance itself that is being formed.
  • It cannot be declared static (a function which does not belong to a particular example), cost( in which you cannot make changes).
  • It should have public or protected access within the class. Only in very rare circumstances the programmers declare it in private section.

e.g.

class  boxclass

                 {

                  public :

                boxclass ( int x1, int y1, int x2, int y2);

                void disp(void);

                  private :

                                                int x1, y1;

int x2, y2 ;

 

                 };

 

boxclass::boxclass(int ax1,int ay1, int ax2, int ay2)

                 {

                                x1 = ax1 ;

                                y1 = ay1 ;

                                x2 = ax2 ;

                                y2 = ay2 ;

       }

 


Related Discussions:- Explain syntax rules for writing constructor functions

Program for greatest common divisor – c++ program, Greatest Common Divisor ...

Greatest Common Divisor (GCD) - The greatest common divisor (GCD) of two integers is the largest integer that will evenly divide both integers. The GCD algorithm involves intege

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

Function, #q•Design and code a new function that accepts as parameters the ...

#q•Design and code a new function that accepts as parameters the gross pay by value and the federal tax, state tax, local tax, SS tax, and net Pay by reference. Calculate the taxes

Identify and briefly explain the objects and methods , You are to develop a...

You are to develop a Clinic System. 1. Identify and briefly explain the objects, classes, methods and attributes for the Clinic System. 2. Draw a use case diagram to represen

Optimized nic driver for windows compact 7, Optimized NIC Driver for Window...

Optimized NIC Driver for Windows Compact 7 for Hard Real Time Communication Project Description: I am seeking an optimized driver (miniport driver) that will be used for sele

Explain the ways of initializing the arrays, Various ways of initializing t...

Various ways of initializing the Arrays. - The for loop initializes 10 elements with the value of their index.      void main()     {                 const in

Explain about the integer constants in c language, Explain about the Intege...

Explain about the Integer constants in c language? An integer constant is the integer valued number and it refers to a sequence of digits. A decimal integer constant includes o

What is a hash function, What is a hash function? Hash function: This ...

What is a hash function? Hash function: This is the method from the set 'K' of keys into the set 'L' of memory addresses.   H: K → L These are used to verify the address

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