6. Can we say that a structure is a class? What is the difference between class and structure?

Posted on 2015-01-23
Medium Priority
Last Modified: 2015-01-23
Can we say that a structure is a class? What is the difference between class and structure?
Question by:Nusrat Nuriyev
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LVL 86

Assisted Solution

jkr earned 2000 total points
ID: 40567469
A structure is a special case of a class. The main difference is that all members of a struct are accessible as 'public' by default, whereas in the case of a class, it's 'private'. See also http://en.wikipedia.org/wiki/C++_classes#Differences_between_struct_and_classes_in_C++ - they also add that this is the only difference, which I forgor to mention ;o)
LVL 50

Expert Comment

ID: 40567471
not usefully

as it would have any methods, so would be inaccessible

are these home/course work questions

Author Comment

by:Nusrat Nuriyev
ID: 40567563
>>> not usefully

>>> as it would have any methods, so would be inaccessible

Don't get this.

>>> are these home/course work questions
No, I'm a C programming language teacher, and I want to learn C++ by asking simple questions. Ability to answer to simple questions tells us who is an expert and who is not.

Additional question:
Is the any difference between struct in C and struct in C++?
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LVL 86

Accepted Solution

jkr earned 2000 total points
ID: 40567572
>>Is the any difference between struct in C and struct in C++?

Yes, a big one. In C++, a struct can have constructors, destructors and methods. You can inherit from a C++ struct and you can derive from it. Plus you can control access to structs by adding protected and private members. They are like classes in C++ with the only difference being the default accessibility as I mentioned above.

Author Closing Comment

by:Nusrat Nuriyev
ID: 40567583
So, struct and class in C++ are almost identical. Fantastico! :)

Author Comment

by:Nusrat Nuriyev
ID: 40567586
BTW, you have answered to the 11-th question:
11. Can we use  public and private in structures? :)
LVL 86

Expert Comment

ID: 40567602
Haven't even seen it :-D

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