C++ Project Name: IC25_Ships Design a Ship class that has the following members:

Question

C++ Project Name: IC25_Ships

Design a Ship class that has the following members:  

• A member variable for the name of the ship (a string)  
• A member variable for the year that the ship was built (an int)  
• A constructor and appropriate accessors and mutators  
• A virtual print function that displays the ship’s name and the year it was built.  

Design a CruiseShip class that is derived from the Ship class.
The CruiseShip class should have the following members:  

• A member variable for the maximum number of passengers (an int )
• A constructor and appropriate accessors and mutators  
• A print function that overrides the print function in the base class.
The CruiseShip class’s print function should display only the ship’s name and the maximum number of passengers.  

Design a CargoShip class that is derived from the Ship class.
The CargoShip class should have the following members:

• A member variable for the cargo capacity in tonnage (an int ).
• A constructor and appropriate accessors and mutators.
• A print function that overrides the print function in the base class.
The CargoShip class’s print function should display only the ship’s name and the ship’s cargo capacity.

Explanation / Answer

Complete Program:

#include <iostream>
#include <string>
using namespace std;

class Ship
{
private:
string name;
int year;

public:
Ship(string sName, int sYear)
{
  name = sName;
  year = sYear;
}

string getName()
{
  return name;
}

int getYear()
{
  return year;
}

void setName(string sName)
{
  name = sName;
}

void setYear(int sYear)
{
  year = sYear;
}

virtual void print()
{
  cout << "Ship's Name: " << getName() << endl;
  cout << "Year Built: " << getYear() << endl;
}
};

class CruiseShip : public Ship
{
private:
int passengers;

public:
CruiseShip(string sName, int sYear, int crPassengers) : Ship(sName, sYear)
{
  passengers = crPassengers;
}

void print()
{
  cout << "Ship's Name: " << getName() << endl;
  cout << "Year Built: " << getYear() << endl;
  cout << "Passengers: " << passengers << endl;
}
};

class CargoShip : public Ship
{
private:
int capacity;

public:
CargoShip(string sName, int sYear, int caCapacity) : Ship(sName, sYear)
{
  capacity = caCapacity;
}

void print()
{
  cout << "Ship's Name: " << getName() << endl;
  cout << "Year Built: " << getYear() << endl;
  cout << "Capacity:    " << capacity << endl;
}
};

int main()
{
Ship *ships[3] = {new Ship("Ship", 2012), new CruiseShip("CruiseShip", 2013, 2500), new CargoShip("CargoShip", 2014, 5000)};

for(int i = 0; i < 3; i++)
{
  ships[i]->print();
  cout << endl;
}

system("pause");
return 0;
}

Sample Output:

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