#include #include #include using namespace std;

//Class Interface class Book{ private: int id; string title; double price; int qty;

void setID(int); void setTitle(string); void setPrice(double); void setQty(int); void getID() const; void print() const; Book(int, string = "No Title", double = 10.95, int = 10); }

int main () { cout

//Class Implementation void Book::setID(int i){ id = i; return id; }

void Book::setTitle(string t){ title = t; }

void Book::setPrice(double p){ if(p

void Book::setQty(int q){ if(q

int Book::getID() const return id; }

void Book::print(){ cout

Book::Book(int i = 9999, string t, double p, int q){ setID(i); setTitle(t); setPrice(p); setQty(q); }