#include <iostream>
#include <cstring>
class Base
{
public:
char* getName() {return name_;}
private:
Base();
Base(char* str);
char* name_;
};
class Derived : public Base
{
public:
Derived(int n, char* str);
Derived(int n);
int getNum() {return num_;}
private:
int num_;
};
Base::Base() {
name_ = std::strcpy(new char[std::strlen(" ") + 1], " ");
}
Base::Base(char* str) {
if(str != NULL)
name_ = std::strcpy(new char[std::strlen(str) + 1], str);
}
Derived::Derived(int n, char* str) : Base(str) {
num_ = n;
}
Derived::Derived(int n) : Base() {
num_ = n;
}
int main()
{
Derived* d = new Derived(10);
std::cerr << d->getNum() << "\t" << d->getName() << std::endl;
}