Explain the class invariant, C/C++ Programming

Assignment Help:

Explain the class invariant.

- It's a condition that ensures correct working of a class and defines all the valid states for an object.

- When an object is created class invariants should hold.

- It is essential for them to be preserved under all operations of the class.

- All class invariants are both preconditions and post-conditions for all operations or member functions of the class.

 


Related Discussions:- Explain the class invariant

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’s sides. But he sometimes mistakes doing that

Tree, Write algorithm and program for the conversion of a Tree to a Binary ...

Write algorithm and program for the conversion of a Tree to a Binary Tree

Explain the bit fields portable or not, Explain the  bit fields portable o...

Explain the  bit fields portable or not? - No, Bit fields aren't portable. - As Bit fields can't span machine words and number of bits in a machine word is different on diff

Explain about inheritance, Inheritance and Reuse Consider a car manufac...

Inheritance and Reuse Consider a car manufacturing company. When they require building a new car, they have two choices. They can start from the scratch, or they can change an

C program to create a file student.dat, Program is to create a file student...

Program is to create a file student.dat: Program is to create a file student.dat which contains all name, roll_no,marks(5 sub) and percentage   class student    {

Described c++ storage classes?, A: auto: the default. Variables are created...

A: auto: the default. Variables are created and initialized automatically while they are defined and destroyed at the ending of the block containing their definition. They are not

What are header files and what are their uses, What are header files? What ...

What are header files? What are their uses? - Header files are also known as library files. - They carry two significant things: definitions and prototypes of functions bein

Saha, find the minimum total number of shelves

find the minimum total number of shelves

Draw pie chart in c++ program, Draw pie chart in c++ program: int main...

Draw pie chart in c++ program: int main() {                 char cmd;                   cout                 cout                 cmd = toupper(getch());

Define passing structure to a function, Define Passing Structure to a Funct...

Define Passing Structure to a Function? A structure is able to be passed as a function argument identical to any other variable. If we are merely interested in one member of a

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