C++ Code 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354 #include <stdio.h> #include <stdlib.h> #include <string.h> #include <iostream> using namespace std; class Base { publi…
Reference: TutorialPoints, GeekforGeeks The copy constructor is a constructor which creates an object by initializing it with an object of the same class, which has been created previously. The copy constructor is used to: Initialize one object from…
Copy Constructor的构造操作 有三种情况,会以一个object的内容作为另一个class object的初值: 1. 对一个object做显式的初始化操作 class X{…}; X a; X b = a; 2.当object被当做参数交给某个函数: X a; void foo(X x); foo(a); 3. 当返回值为object: X foo { X a; return a; } 假设class X显式定义了一个copy constructor,类似下面这样: X::X(…