C++ Programming: From Problem Analysis to Program Design
C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN: 9781337102087
Author: D. S. Malik
Publisher: Cengage Learning
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Chapter 10, Problem 8SA

Consider the definition of the following class: (1, 2, 3, 5, 7)

classproductType                                    //Line 1 {                                                             //Line 2 public:                                                   //Line 3 productType();                                      //Line 4 productType ( int, double, double ) ;       //Line 5 productType(string, int, double, double);//Line 6 productType(string, string, string, int, double, double);                                //Line 7 voidset(string, string, string, int, double, double);                                       //Line 8 voidprint()const;                                     //Line 9 voidsetQuantitiesInStock(intx);              //Line 10

void updateQuantitiesInStock (int x);                 //Line11 int getQuantitiesInStock () const;                       //Line12 void setPrice (doublex);                                   //Line13 doublegetPrice()const;                                   //Line14 voidsetDiscount(doubled);                            //Line15 doublegetDiscount()const;                           //Line16 private:                                                        //Line17 string productName;                                   //Line18 string id;                                                     //Line19 string manufacturer;                                  //Line20 int quantitiesInStock;                                //Line21 double price;                                             //Line22 double discount;                                        //Line23 };                                                               //Line24

  1. Give the line number containing the constructor that is executed in each of the following declarations.

    i . productType productl; ii . productType product2 ( "Microwave" , "M3562", "GeneralPool", 35, 175 .00, 0 .1); iii . productType product3  ( "D1290", 25, 375 .00, 0 .05 ) ; iv . productType product4 ( 10, 8 .50, 0 .2 ) ;

  2. Write the definition of the constructor in Line 4 so that the instance variables are initialized to “ “, “ “, “ “, 0, 0.0, and 0.0, respectively.

  3. Write the definition of the constructor in Line 5 so that the string instance variables are initialized to””, and the other instance variables are initialized according to the parameters. Instance variables quantitieslnStock, price, and discount must be nonnegative.

  4. Write the definition of the constructor in Line 6 so that the instance variables productName and manufacturer are initialized to the empty string, instance variable id is initialized according to the first parameter, and the remaining instance variables are initialized according to the last three parameters. Instance variables quantitieslnStock, price, and discount must be nonnegative.

  5. Write the definition of the constructor in Line 7 so that the instance variables are initialized according to the parameters. Instance variables quantitieslnStock, price, and discount must be nonnegative.

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