Programmer Think

1. What is polymorphism? Polymorphism refers to the various forms of function calls, which makes us call functions more flexible. Polymorphism can be divided into static polymorphism and dynamic polymorphism 1) Static polymorphism: static polymorphism refers to the polymorphism at compile time, which is realized through function overloading. Fi ...

After learning the initial level of C language and the advanced level of C language, start to formally learn C + +. This paper mainly involves the introduction of C + +. The contents introduced are C + + keywords, namespaces, default parameters, IO, function overloading, inline functions, auto keywords, new for loops, nullptr and referenc ...

C + + pointer: (including two-dimensional array, two-level pointer, dynamic two-dimensional array, memory continuity) In the creation and use of C + + array, this paper briefly introduces the use of pointers in the array, but there are some other problems. Here we mainly expand some about two-dimensional array pointers, secondary pointers and ...

I was brushing the water question, but I suddenly found this question. It happened to be what we learned yesterday, so we came to consolidate it. Give it to us n n n points, m m m edge ...

First, can a stack be pressed with a pointer? Of course, write a simple stack here When it comes to pointers, you may think of strings. We can pass in the following types string str; The simplest input, thanks to the powerful string class provided by C + +, we can easily complete this operation char str[size]; C-style string, but it may no ...

Why use member functions and friend functions This issue is crucial and directly affects the following understanding: Program data: data is program information, which will be affected by program functions. Encapsulation is a concept in object-oriented programming that binds data and functions that manipulate data together, which can avoid ...

Cartogragper source code reading In the future, we will study and record the source code of Cartogragper 1, Knowledge reserve 1.gflag Gflags concise tutorial GFlags usage document GFlags is an open source library for command line parameter processing, including C + + version and python version. Unlike libraries such as getopt(), the ...

Catalog 1. Management System Requirements 2. Create a worker class 2.1 Employee abstract base class 2.2 Create Boss Class 2.3 Create Manager Class 2.4 Create a common employee class 3. Create Management Classes 3.1 Header File Implementation 3.2 Source File Implementation 4. Functional Realization 4.1 Exit the hypervisor 4.2 Increas ...

📔 C++ Primer 0x0D exercise solution Better reading experience (real-time update and correction) It is recommended to read the summary of knowledge points of "C++ Primer 5th" & exercise problem solution 13.1 copy, assignment and destruction 13.1.1 copy constructor 13.1 what is a copy constructor? When to use it? If the ...

preface   this article is used to record reading the book Essential C + +, CHPT 2. Finish the exercises after class. Text (Code) 2.1 Continuous Input    the previous main() only allows the user to enter a location value, and then ends the program. If the user wants to get two or more element values, he must execute the ...