Class Advertisement models the advertisement of an item for sale. This class contains private data members to store a unique identification number, a title, a starting date, a closing date, a descr iption, the quantity, and the email address of the
时间的渐渐爱上的 啊飒飒的 是点到 #include "Advertisement.h" using namespace std; Advertisement::Advertisement(void):number(-1),title(""),seller_email(""), body(""),start(Date()),close(Date()),quantity(0){} //Accepts parameters to initialize the private data member