Please explain the difference between ...

a Class;
an Object in that Class;
a Library

Please use an example

A class is a type of object. "Filly is a turtle"
A library is a interface (a tool or set of tools) for a programmer. Also known as API - advanced programmers interface.

Quote:

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Originally posted by kedaman
A class is a type of object. "Filly is a turtle"
A library is a interface (a tool or set of tools) for a programmer. Also known as API - advanced programmers interface.

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API = Application Programming Interface, and it doesn't necessarily have to be in a library.

As far as C++ goes:

Code:

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class Turtle {
public:
    Turtle(); // Constructor
    ~Turtle(); // Destructor

    PublicMethod();

private:
    PrivateMethod();

    int m_iPrivData;
};

Turtle filburt1; // Object of the "Turtle" class

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A class is like a cookie cutter (Oh, no! not the cookie cutter analogy again!). Objects are created from a class, like you create a cookie from a cookie cutter.

A Library is a collection of Functions, classes, or whatever that you can use. The STL is a good example. It is a library of various templated container classes.

There is also your Public Library, which is a collection of books =).

Z.

[edit]
Yes, I can type...
"collection fo Functions"

I think my filly is a turtle analogue is better ;)
ARgh, i always get that wrong, ok Application programming interface - can't miss it next time

Hehe, keda, sometimes it really seems like an "advanced programmers interface" :D