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

Palindrome, A palindrome is a string that reads the same from both the ends...

A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome

Palindorme, program coding for the conversion of string to a palindrome

program coding for the conversion of string to a palindrome

Write a c program as text layout, Your task in this project is to write a C...

Your task in this project is to write a C program named layout.c which does text layout. This is a staged project, complete the stages in order. The maximum mark if you nish each

Luminous Jewels - The Polishing Game, Byteland county is very famous for lu...

Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec

Described the differences among a c++ struct & c++ class?, Described the di...

Described the differences among a C++ struct & C++ class? A: The default member & base class access specifies are distinct. It is one of the commonly misunderstood aspects of C+

#title minimization and maxmization assignment problem, how we can code in ...

how we can code in c++ for assignment problem (operation research) method to mkinimization and mamization

Should one design a classes from the outside, Should one design a classes f...

Should one design a classes from the outside (interfaces first) or inside (data first)? A: From the outside. A superior interface provides a simplified view which is express

Control structures in cpp, C o n t r o l S t r u c t u r e s ...

C o n t r o l S t r u c t u r e s I t i s o f t h r e e t y p e s: 1 .    S e qu e n c e s t r u c t u r e 2 .

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