是否懂得C语言并不是学习C++的前提。不仅仅是因为C++本身兼容C语言，更重要的是C++所倡导的程序设计观念是和C语言完全不同的。C语言在某种意义上是对CPU模型的抽象。尽管C++完全保留了C语言的机器模型，但是C++更加注重对现实世界进行抽象。为此，C++创始人Bjarne Stroustrup专门写过一篇著名的文章：《Learning Standard C++ as a New Language》（把标准C++作为一种全新的语言来学习）
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