析构函数的调用

//析构函数的调用
//在一般情况下,调用析构函数的次序正好与调用构造函数的次序相反
//最先被调用的构造函数,其对应的析构函数最后被调用.

#include "stdafx.h"
#include <iostream>
using namespace std;

class CPen
{
public:
    CPen(int size=10);
    ~CPen();
    int GetSize();
    int SetSize(int size);
    void Write();
private:
    int m_size;
};
CPen::CPen(int size)
{
    m_size = size;
}
CPen::~CPen()
{
    cout << "this is destructor called:" << m_size << endl;
}
void CPen::Write()
{
    cout << "The size of pen is :" << m_size << endl;
}

int main(int argc, char* argv[])
{
    CPen pen1;
    pen1.Write();
    CPen pen2(15);
    pen2.Write();
    return 0;
}