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C/C++ tutorial
  • The concept of C++ exceptions

    The concept of C++ exceptions

    Concept of C++ exception Program errors usually include: syntax errors, logic errors, and runtime exceptions. The following are introduced respectively: 1. Syntax error: Needless to say, everyone must know from previous studies that the program code does
    2024-11-06
  • Summary of C++ pure virtual functions and abstract classes

    Summary of C++ pure virtual functions and abstract classes

    Summary of C++ pure virtual functions and abstract classes Pure virtual functions and abstract classes Pure virtual functions are virtual functions without a function body. What does it mean to have no function body? This is the function defined like this
    2024-11-06
  • Detailed explanation of C++ virtual destructor examples

    Detailed explanation of C++ virtual destructor examples

    C++ virtual destructor example detailed explanation of virtual destructor In C++, the constructor cannot be defined as a virtual constructor, because the constructor is called only when an object is instantiated, and the implementation of the virtual func
    2024-11-06
  • C++ inheritance and derivation examples explained

    C++ inheritance and derivation examples explained

    C++ inheritance and derivation examples explain inheritance and derivation. If you hear this name for the first time, you must first think about the meaning of these two words. Let’s talk about inheritance first. This is similar to the meaning of inherita
    2024-11-05
  • C++ write file operation

    C++ write file operation

    The C++ file writing operation continues from the previous article. If you want to use C++ to write files, you can use the ofsteam or fstream type and complete the three steps of opening, writing data, and closing. Please see the following example: #inclu
    2024-11-05
  • How to close a file in C++

    How to close a file in C++

    How to close a file in C++ For the first two steps, after everyone is familiar with opening, reading and writing, the last step of closing the file will be much easier. After completing the relevant operations, you only need to call the close() member fun
    2024-11-05
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