75. What will be the output of the following code snippet?

map scores; scores["Diana"] = 86; scores["Mark"] = 80; if (scores["Fred"] < 0) { cout << "Error "; } for (auto it = scores.begin(); it != scores.end(); it++) { cout << " " << it->first << ":" << it->second; }

Group of answer choices

Error Diana:86 Fred:0 Mark:80

Error Diana:86 Mark:80

Diana:86 Mark:80

Diana:86 Fred:0 Mark:80

81. What is the output of the following program?

#include  using namespace std; class Car { public: double get_speed() const; Car(); Car(double dspeed); private: double speed; }; Car::Car() { speed = 0; } Car::Car(double dspeed) { speed = dspeed; } double Car::get_speed() const { return speed; } int main() { Car c1; Car c2(5); double sum_speed = 0; sum_speed = c1.get_speed() + c2.get_speed(); cout << sum_speed << endl; return 0; }

Group of answer choices

5

The answer cannot be determined because the speed of c1 has not been initialized.

0

Nothing is printed because the program doesn't compile.

84. Examine the following code snippet.

class Product { public: Product(); Product(double price); Product(string d_description); Product(string d_description, double price); void set_price(double price); void set_description(string d_description); string get_description() const; void display_product() const; private: string description; double product_price; }; class SalesOrder { public: SalesOrder(string customer_name, string d_description, double price); void display_sales_order() const; private: Product prdt; string customer; }; class RetailShop { public: RetailShop(); void set_sales_order(SalesOrder new_SalesOrder); SalesOrder get_sales_order(); private: SalesOrder sales_order; };

Which of the following statements is correct?

Group of answer choices

The Product class aggregates the SalesOrder class.

The Product class aggregates the RetailShop class.

The SalesOrder class aggregates the RetailShop class.

The SalesOrder class aggregates the Product class.

85. Your text says the first two steps for implementing a class are

I. Get an informal list of the responsibilities of the object

II. Specify the public interface

III. Document the public interface

IV. Determine data members

Group of answer choices

III, IV

I, II

II, III

II, III