35 questions
Is it possible for a constructor to call a constructor within the same class? Not the lower class.What do I do?
When I developed C#, I used it like the code below, but I wonder how I do it in C++.I wrote this() to call out the class name, but it says noWhy? class Test {public: Test() { //DoSomething } Test(int...
I'm going around the internetgoI saw the C++ code below What does this explicit do for you?class String {public: explicit String (int n); //allocate n bytes String(const char *p); // initialize sobjec...
I saw a code like this#include <iostream>class Foo {public: int bar; Foo(int num): bar(num) {};};int main(void) { std::cout << Foo(42).bar << std::endl; return 0;}What is written her...
When is the virtual constructor used for C++?Virtual constructors seem to be a really useless feature, but I don't know when. Isn't superclass constructor called automatically when inherited? Why both...
#include <iostream>using namespace std;class SoSimple{private: int num;public: SoSimple(int n) : num(n) { cout << New Object : << this << endl; } SoSimple(const SoSimple&...
I'm a self-taught student in Java. I am studying inheritance and super class nowIf a superclass can have multiple constructors, I would like to ask you how to create a subclass constructor. The code I...
The problem embodies the functions, constructors, and destructors of ClassInfo In the main() function, enter (B511001, Kim Cheol-soo, 23), (B611002, Kim Young-hee, 26), and (B411003, Youngsoo Kim, 24)...
class baseDMA{private: char* label; int rating;public: baseDMA(const char* l=NULL, int r =0); baseDMA(const baseDMA& rs); virtual ~baseDMA(); baseDMA& operator=(const baseDMA& rs); friend ...
# include <iostream> using namespace std ; class Point { int x, y ; public: Point(int x=0, int y=0) { this->x = x ; this->y = y ; cout << \tPoint ; print() ; cout << con...
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