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Chapter 3 Implementation of OOP Concepts in C plus plus Solutions

Question - 11 : -

Define a classTourist    in C + + with the following specification:
Data Members
• CNo – to store Cab No
• CType – to store a character ‘A’, ‘B’, or ‘C’ as City Type
• PerKM – to store per Kilo Meter charges
• Distance – to store Distance travelled (in KM) Member Functions
• A constructor function to initialize CType as ‘A’ and CNo as ‘0000’
• A function CityCharges() to assign PerKM as per the following table:

CType

PerKM

A

20

B

18

C

15

• A functionRegisterCab() to allow administrator to enter the values for CNo and CType.Also, this function should call CityCharges() to assign PerKM charges.
• A function Display() to allow user to enter the value of Distance and displayCNo, CType, PerKM, PerKM*Distance (as Amount) on screen.    

 

Answer - 11 : -

Class Tourist
 {
 int CNo; 
char CType; 
int PerKM; 
float Distance;
 Tourist()
 {
 CType='A';
 CNo=0000;
 }
 void CityCharges ()    [1]
 {
 if(CType=='A')
 PerKm=20;
 if(CType=='B')
 PerKM=18;
 if(CType=='C')
 PerKM=15;
 }    [1]
 void RegisterCab()
 {
 cin>>CNo>>CType;
 CityCharges();
 }
 void Display ()    [1]
 {
 cin>>Distance; 
cout<
 } [1]

Question - 12 : -

Define a class Seminarwith the following specification:
private members
Seminarld              long
Topic                        string of 20 characters
VenueLocation     string of 20 characters
Fee                           float

CalcFee() function tocalculate Fee depending on VenueLocation

VenueLocation

Fee

Outdoor

5000

Indoor Non-AC

6500

Indoor AC

7500

Public members
Register() function to accept values for SeminarlD, Topic, VenueLocation andcall CalcFee() to calculate Fee
ViewSeminar() function to display all the data members on the screen 

 

Answer - 12 : -

class Seminar
 {
 private:
 long Seminarld; 
char Topic [20] ; 
char VenueLocation[20]; 
float Fee;
 void CalcFeeO    [1]
 {
 if    (strcmp    (VenueLocation, ''Outdoor'')==0)
 Fee=5000;
 else {if (strcmp (VenueLocation, ''Indoor Non-AC" ) = = 0)
 Fee=6500;
 else {if (strcmp (VenueLocation, ''Indoor AC'')==0)
 Fee = 7500;    [1]
 }
 public:
 void Register ()
 {
 cin>>seminarld; 
gets (Topic) ; 
gets (VenueLocation); 
cin>>Fee;
 CalcFee () ;
 } [1]
 Void ViewSeminar ()
 {
 cout<
puts (Topic); 
puts (VenueLocation); 
cout<
 }
 }; [1]

Question - 13 : -
Define a class Bus in C++ with the following specifications:
Data Members
•  Busno—to store Bus No
•  From—to store Place name of origin
•  To—to store Place name of destination
•  Type—to store Bus Type such as ‘O’ for ordinary
•  Distance—to store the Distance in Kilometers
•  Fare—to store the Bus Fare
Member Functions
• A constructor function to initialize Type as ‘O’ and Freight as 500
• A function CalcFare( ) to calculate Fare as per the following criteria
Type        Fare
‘O’            15*Distance
‘E’            20*Distance
‘L’            24*Distance
• A function Allocate() to allow user to enter values for BusNo, From, To, Type and Distance.   

Answer - 13 : -

class Bus
 {
 int Busno; 
char From [20]; 
charTo[20]; 
char Type; 
float Distance;
 float Fare, ;    [1]
 BUS ( )
 {
 Type='O';
 Fare=500;
 }
 void CalcFare( )    [1]
 {
 if(Type=='O')
 Fare = 15*Distance;  
if (Type=='E')
 Fare = 20* Distance;
 if(Type=='L')
 Fare = 24*Distance;
 void Allocate( ) [1]
 {
 cout<<''Enter  Bus Number"; cin>>Busno; 
cout<<''Enter Source:"; gets(From);
 cout<<''Enter  Destination"; gets(To); 
cout<<''Enter Type:"; cin>>Type; 
cout<<''Enter Distance (in kms)"; cin>>Distance;
 }
 }; [1]

Question - 14 : -
Define a class Tourist in C + + with the following specifications:
Data Members
•  Carno—to store Bus No
•  Origin—to store Place name of origin
•  Destination—to store Place name
•  Type—to store Car Type such as ‘E’ for Economy
•  Distance—-to    store the Distance in Kilometers
•    Charge—to store the Car Fare
Member Functions
• A constructor function to initialize Type as ‘E’ and Freight as 250
• A function CalcCharges () to calculate Fare as per the following criteria
Type              Fare
‘E’             16* Distance
‘K’             22* Distance
T’              30*Distance

• A function Enter( ) to allow user to enter values for CarNo, Origin, Destination, Type and Distance. Also, this function should call CalcCharges () to calculate fare.
• A function Show() to display contents of all data members on the screen. [Delhi, 2013]

Answer - 14 : -

class Tourist
 {
 int Carno; char Origin[20]; 
char Destination[20]; 
char Type; 
float Distance;
 float Charges;
 Tourist ( )    [1]
{
 Type='E';
 int charges=250;
 }
 void CalcCharges( )
 {
 if(Types=='E')
 Charges = 16*Distance; if(Type=='A')
 Charges = 22‘Distance; if(Type=='L')
 Charges = 30*Distance;
 }
 void Enter( )
 {
 cout<<''Enter Car Number"; cin>>Carno;
 cout<<''Enter Source:"; gets(Origin);
 cout<<''Enter Destination"; gets(Destination);
 cout<<''Enter Type:"; cin>>Type;
 cout<<''Enter Distance (in
 kms) " ;    [1]
 cin>>Distance;
 CalcCharges( );
 }
 void Show( )
{
 cout<< "Car Number:"<
 cout<< "Origin:";
 puts(Origin);
 cout<< "Destination:";
 puts(Destination);
 cout<<"Fare:"<
 }
 };    [1]

Question - 15 : -
Define a class Hand set in C++ with the following description : Private members :
Make—of type string
Model—of type string
Price—of type long int
Rating—of type char
Public members:
Function Read_Data to read an object of Handset type.
Function Display( ) to display the details of an object of type Handset type.
Function RetPrice() to return the value of Price of an object of Handset type. 

Answer - 15 : -

class Handset
 {
 private: 
char Make[20] ; 
char Model[20] ; 
long int Price;
 char Rating;    [1]
 public :
 void Read_Data( )
 {
 gets(Make); 
gets(Model);
 cin>>Price;  [1]
 cin>>Rating;
 }
 void Display()
 {
 puts (Make);    [1]
 puts(Model) ; 
cout<
cout<
 }
 long int RetPrice( )
 {
 return(Price);
 }
 };    [1]

Question - 16 : -
Find the output of the following program :

#include 
class METRO 
{
 int Mno, TripNo, PassengerCount; public: METRO(int Tmno=l)
 {
Mno=Tmno;
 TripNo=0;
 PassengerCount=0;
 }
 void Trip(int PC=20)
 {
 TripNo++;
 PassengerCount+=PC;
 }
 void StatusShow( )
 {
 c o u t < < M n o < < "  :  " <  <  T  r  i  p N o < < "  : " 
< < P a s s e n g e r C o u n t < < e n d l ;
 } ;
 void main( )
 {
 METRO M(5),T;
 M.Trip( ) ;
 T.Trip(50) ;
 M.StatusShow( ) ;
 M.Trip(30) ;
 T.StatusShow( );
 M.StatusShow( );
 }    

Answer - 16 : -

5:1:20
1:1:50
5:2:50    

Question - 17 : -
Find the output of the following program :

#include 
class TRAIN {
 int Tno, TripNo, PersonCount, T, N; 
public:
 Train(int Tmno=l)
 { Tno=Tmno; TripNo=0; PersonCount = 0; }
 void Trip (int TC =100)
 {TripNo++; PersonCount =TC;}
 void    show()    {cout<
 "<
 } ;
 void main( )
 {
Train T(10), N;
 N.Trip();
 T.show();
 N.Trip(70) ;
 N.Trip(4 0) ;
 N.show( );
 T.show( );
 }   

Answer - 17 : -

10:0:0
1:2:140
10:1:70    

Question - 18 : -
Define a class Candidate in C++ with the
following description:
Private members
• A data member RNo(Registration Number) of type long
• A data member Name of type String
• A data member Score of type float
• A data member Remarks of type String
•  A member function AssignRem() to assign the remarks as per the score obtained by the candidate.
•   Scor6 range and the respective remarks are shown as follow:
Score           Remarks
>=50           Selected
<50             Not Selected
Public members
• A function ENTERQ to allow user to enter values for RNo, Names, Score and call function AssignRem() to assign the remarks.
• A function display() to allow user to view the content of all data members.

Answer - 18 : -

class Candidate
 {
 long RNo; 
char Name[40]; 
float Score;
 [1]
 char Remarks[20] 
void AssignRem()
 if (Score>=50)    [1]
 strcpy(Remarks, "Selected"); else
 strcpy(Remarks,''Not Selected");
 }
 public: 
void Enter()
 { [1]
 cout<<''Enter the values for RNo, Name, Score";
 cin>>RNo;
 gets(Name);
cin>>Score;
 AssignRem( );    [1]
 }
 void Display( )
 {
 cout<
 puts(Name); puts(Remarks);
 }
 }; [1]

Question - 19 : -
Define a class Applicant in C++ with the following description:
Private members
•  A data member ANo(Admission Number) of type long
•  A data member Name of type String
•  data member Agg(Aggregate Marks) of type float
•  A data member Grade of type char
•  A member function GradeMe() to assign the grades as per the aggregate obtained by the candidate.
•  Score range and the respective remarks are shown as follow:
Aggregate                   Grade
>=80                               A
less than 80 and > = 65     B
less than 65 and > = 50     C
less than 50                         D
Public members
• A function ENTER( ) to allow user to enter values for ANo, Names, Aggregate and call function GradeMe () to assign grade.
• A function RESULT( ) to allow user to view the content of all data members. 

Answer - 19 : -

class Applicant
 {
 long ANo; 
char Name[40]; 
float Agg; 
char Grade;
 void GradeMe ( )    [1]
 {
 if (Agg>80)
 Grade='A';
 if (Agg<80 && Agg>=65)
 Grade='B';
 if (Agg<65 && Agg>=50)
 Grade='C'; if(Agg<50)
 Grade='D';
 }
 public: 
void Enter ( )
{
 cout<<''Enter the values for Ano, Name, Agg" ; 
cin>>ANo; 
gets(Name);
 cin>>Agg;    [1]
 GradeMe( );
 }
 void Result( )
 {
 cout<
 puts(Name); puts(Grade);
 }
 };    [1]

Question - 20 : -
Define a class ITEM in C++ with the following description:
Private Members
• Code of type integer (Item Code)
• Iname of type string (Item Name)
• Price of type float (Price of each item)
• Qty of type integer (Quantity of item in stock)
• Offer of type float (Offer percentage on the item)
• A member function GetOffer( ) to calculate Offer percentage as per the following rule :
If Qty < = 50 Offer is 0
If 50 < Qty < = 100 Offer is 5
If Qty >100 Offer is 10
Public Members
• A function GetStock() to allow user to enter values for Code, Iname, Price, Qty and call function GetOffer() to calculate the offer.
• A function ShowItem( ) to allow user to view the content of all the data members.

Answer - 20 : -

class Item
 {
 int Code; 
char Iname [20]; 
float Price; 
int Qty; 
float Offer; 
void GetOffer( ) ; 
public:
 void GetStock ()
 {
 cin>>Code;
 gets (Iname) ;    // OR cin.
 getline (Iname, 80); Or cin>>Iname;
 cin>>Price>>Qty;
 GetOfferO ;
 }
 void Showltem ()
 {
 cout<
 };
 void Item : GetOffer ()
 {
 if (Qty < =50)
 Offer = 0;
 else if (Qty <= 100)
 Offer = 5; //OR Offer = 0.05; 
else
 Offer = 10; //OR Offer = 0.1;
 }

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