C++类中的成员可以是另一个类的对象,称该成员为对象成员。
构造的顺序:先调用对象成员的构造,再调用本类的构造;
析构顺序:先调用本类的析构,再调用对象成员的析构。
#include<iostream>
#include<string>
using namespace std;
class Ball
{
public:
Ball(string bname)
{
b_name = bname;
cout << "Ball构造函数调用!" << endl;
}
~Ball()
{
cout << "Ball析构函数调用!" << endl;
}
public:
string b_name;
};
class WLM
{
public:
WLM(string name,string bname):m_name(name),m_ball(bname)
{
cout << "WLM构造函数调用!" << endl;
}
~WLM()
{
cout << "WLM析构函数调用!" << endl;
}
public:
string m_name;
Ball m_ball;
};
void test()
{
WLM wlm("万利萌","篮球");
cout << wlm.m_name << "打" << wlm.m_ball.b_name << endl;
}
int _tmain(int argc, _TCHAR* argv[])
{
test();
system("pause");
return 0;
}
原创文章,作者:wure,如若转载,请注明出处:https://blog.ytso.com/tech/pnotes/277516.html