C 是C++的基础，C++语言和Ｃ语言在很多方面是兼容的。因此，掌握了Ｃ语言，再进一步学习C++就能以一种熟悉的语法来学习面向对象的语言，从而达到事半功倍的目的。-C is the basis of C++, C++ language and C language is compatible in many ways. Therefore, mastering the C language further to learn C++ syntax will be able to learn a f