Pointers and references to the base class of derived objects 25.2 Virtual functions and polymorphism 25.3 The override and final specifiers, and covariant return types 25.4 Virtual destructors, virtual assignmen
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-"11-14-Void-pointers.md" -"11-15-Pointers-to-pointers-and-dynamic-multidimensional-arrays.md" -"11-16-An-introduction-to-std-array.md" -"11-17-An-introduction-to-std-vector.md" -"11-18-Introduction-to-iterators.md" -"11-19-Introduction-to-standard-library-algorithms.md" ...
intwidth(5);//direct initializationintwidth =5;//copy initialization {}与=区别,{}用来初始化,初始化只有1次。=用来赋值,赋值可以有很多次。{}初始化更安全,因为有类型检查。 2、避免使用using namespace 【推荐】使用 :: #include <iostream>//using namespace std;//全局权限太大intmain() { std::c...
c++笔记1(参考learncpp.com),1、变量初始化【推荐】braceinitialization大括号初始化intwidth{5};//braceinitializationintb{};//0,等效intb{0}inta{4.5};//会提醒错误,而inta=4.5不会(输出4)directinit
Void pointers 11.15 Pointers to pointers and dynamic multidimensional arrays 11.16 An introduction to std::array 11.17 An introduction to std::vector 11.18 Introduction to iterators 11.19 Introduction to standard library algorithms 11.x Chapter 11 comprehensive quiz ...
A pointer in C++ is a variable that represents the location (rather than the value) of a data item, such as a variable or an array element.