A *a=new A(); //爲類A 分配內存空間
cout<<"a:";
a->print();
cout<<endl;
A b=(*a); // 將a指向的數據給賦給b 可以理解爲存放在棧中
b.print();
a->set(32);
cout<<"b:";
b.print();
cout<<endl;
delete a;
A *a=new A(); //爲類A 分配內存空間
cout<<"a:";
a->print();
cout<<endl;
A b=(*a); // 將a指向的數據給賦給b 可以理解爲存放在棧中
b.print();
a->set(32);
cout<<"b:";
b.print();
cout<<endl;
delete a;