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This article mainly explains "what are the top ten popular keywords on C++". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. Now please follow the editor's train of thought slowly and deeply. Let's study and learn what the top ten popular keywords of C++ are.

Keywords are predefined reserved identifiers with special meaning. They cannot be used as identifiers in programs, but you can define your own keywords to be used in Visual C++. On a recent weekend, programmer Tactoth used a Python program (or loneliness) to count the frequency of keywords in a large number of C++ code and selected the top ten C++ keywords. The basis for the selection is very simple: the higher the appearance rate, the hotter it is. The code used is Microsoft's open source code for ATL and MFC.

According to Tactoth, the top 10 most popular keywords are:

If, return, void, int, const, this, else, for, virtual, class

The top ten most unpopular keywords are:

Typeid, asm, dynamic_cast, volatile, mutable, union, signed, auto, register, const_cast

However, due to the code style of MFC/ATL itself, this statistical result has some limitations. But for people who develop Windows desktop applications, it is still representative.

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