类的构造和析构

 

#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
using namespace std;

class Test
{
public:
    Test()
    {
        a = 10;
        p = new char[100];
        strcpy(p, "abcdefg");
        cout << "我是构造函数，被调用了"<<endl;
    }
    ~Test()
    {
        if (p!=NULL)
        {
            delete [] p;
        }
        cout << "我是析构函数，被调用了！"<<endl;
    }
    void print()
    {
        cout << a<<endl;
        cout << p << endl;
    }
private:
    int a;
    char *p;
protected:
};

void objplay()
{
    Test t1;
    t1.print();
    cout << "-----"<<endl;
    Test t2;
    t2.print();
}
int main11()
{
    objplay();

    system("pause");
    return 0;
}