[C++, Basic] C++全局对象构造析构顺序

/*
 *
 * Date: 2019.09.07
 *
 */

#ifndef _H_H_OBJ_DEF_H_H_
#define _H_H_OBJ_DEF_H_H_

#include <iostream>

class ObjA
{
public:
    ObjA() { std::cout << "Construct ObjA" << std::endl; }
    ~ObjA() { std::cout << "Destruct ObjA" << std::endl;  }
};

class ObjB
{
public:
    ObjB() { std::cout << "Construct ObjB" << std::endl; }
    ~ObjB() { std::cout << "Destruct ObjB" << std::endl; }
};

class ObjC
{
public:
    ObjC() { std::cout << "Construct ObjC" << std::endl; }
    ~ObjC() { std::cout << "Destruct ObjC" << std::endl; }
};

#endif

/*
 *
 * Date: 2019.09.07
 *
 */

#include <iostream>

#include "ObjDef.h"

ObjA a;
ObjB b;
ObjC c;

int main()
{
    std::cout << "Hello World" << std::endl;
    return 0;
}