The C language and the C++ language are very different in some ways, mainly including language features, object orientation, and standard libraries. Let's talk about it in detail:
First of all, looking at the language characteristics, C language is a procedural programming language, emphasizing the design of algorithms and program flows. It has basic programming elements such as data types, control structures, functions, etc., and is suitable for structured programming. C++ is based on the C language and introduces object-oriented features, such as class and object concepts, inheritance, polymorphism, and encapsulation, which allows C++ to support a more advanced programming method - object-oriented programming.
Looking at the object-oriented aspect, the C language does not have object-oriented characteristics, and does not have the concept of classes and objects, so it cannot directly realize data abstraction, encapsulation and reuse. In contrast, C++ not only retains the procedural programming capabilities of C, but also adds classes and objects, allowing programmers to define data types by creating classes and instantiating those types through objects.
Finally, the standard library of the C language has a set of predefined functions for handling daily tasks such as input and output, string manipulation, mathematical calculations, etc. In addition to the standard library of the C language, C++ also adds object-oriented libraries and functions, such as the Standard Template Library (STL), which provides a series of template classes and functions for implementing commonly used data structures and algorithms.
To sum up, C and C++ are very different in terms of language features, etc. C language pays more attention to procedural programming, which is suitable for system underlying and performance-sensitive application development. C++, on the other hand, is object-oriented and suitable for developing complex applications and large software projects.