array_of_objects.cpp

#include <iostream>
#include <array>
#include <string>

/*
  an example of how to allocate an array of objects on the heap,
  how to call the default constructor (the one without arguments),
  and how to free that array of objects from memory afterwards
*/

class Obj {
public:
	int id;
	int age;
	std::string name;
	Obj(int id, int age, std::string name) : id(id), age(age), name(name) {

	}
	Obj() : id(0), age(24), name("tozi") {}
	
		
	~Obj() {
        	std::cout << "object freed" << std::endl;
    	}
};

int main() {
	std::array<Obj, 100> *ary = new std::array<Obj, 100>();
	std::array<Obj*, 101> *ary_new = new std::array<Obj*, 101>();
	Obj var = ary->at(5);
	Obj *p = new Obj[50]();

	Obj *pt = &p[5];
	std::cout << pt->name << std::endl;

	delete[] p;
	delete ary;
	delete ary_new;

	return 0;
}