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Re: Inheritance Hierarchy

  #11  
Jul 18th, 2008
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Originally Posted by niek_e View Post
What errors? Post your new code, I'm not in the mood to stare into my crystal ball to locate your problem


Package.h

Help with Code Tags 
#ifndef Package_H
#define Package_H

#include <iostream>
#include <string>

using namespace std;

//The class Package is the base class for derived classes TwoDayPackage and OverNightPackage
  
class Package //begins class Package  
{  
public:  
    Package(const string &, const string &, const string &, const string &, const string &, const string &, const string &, const string &, const string &, const string &, double = 0.0, double = 0.0, double = 0.0); //constructor  
  
    //set and get functions for sender  
    void setSenderName(const string &);  
    string getSenderName() const;  
  
    void setSenderAddress(const string &);  
    string getSenderAddress() const;  
      
    void setSenderCity(const string &);  
    string getSenderCity() const;  
  
    void setSenderState(const string &);  
    string getSenderState() const;  
  
    void setSenderZip(const string &);  
    string getSenderZip() const;  
      
    //set and get functions for recipient  
    void setRecipientName(const string &);   
    string getRecipientName() const;   
  
    void setRecipientAddress(const string &);   
    string getRecipientAddress() const;   
  
    void setRecipientCity(const string &);   
    string getRecipientCity() const;   
  
    void setRecipientState(const string &);   
    string getRecipientState() const;  
  
    void setRecipientZip(const string &);   
    string getRecipientZip() const;  
      
    void setWeight(double);  
    double getWeight() const;  
    void setShip(double);  
    double getShip() const;  
    double calculateCost() const;  
  
private:  
    string senderName;  
    string senderAddress;  
    string senderCity;  
    string senderState;  
    string senderZip;  
    string recipientName;  
    string recipientAddress;  
    string recipientCity;  
    string recipientState;  
    string recipientZip;  
    double weight;  
    double shipCost;  
};

#endif

Package.cpp

Help with Code Tags 
#include <iostream>
#include <string>
using namespace std;

#include "Package.h"


Package::Package(const string & sname, const string & saddress, const string & scity, const string & sstate, const string & szip, const string & rname, const string & raddress, const string & rcity, const string & rstate, const string & rzip, double weight, double shipCost, double calculateCost)  
{  
    senderName = sname;  
    senderAddress = saddress;  
    senderCity = scity;  
    senderState = sstate;  
    senderZip = szip;  
    recipientName = rname;  
    recipientAddress = raddress;  
    recipientCity = rcity;  
    recipientState = rstate;  
    recipientZip = rzip;  
    setWeight(weight);  
    setShip(shipCost);  
}  
  
void Package::setSenderName(const string & sname)  
{  
    senderName = sname;  
}  
  
string Package::getSenderName() const  
{  
    return senderName;  
}  
  
void Package::setSenderAddress(const string & saddress)  
{  
    senderAddress = saddress;  
}  
  
string Package::getSenderAddress() const  
{  
    return senderAddress;  
}  
void Package::setSenderCity(const string & scity)  
{  
    senderCity = scity;  
}  
  
string Package::getSenderCity() const  
{  
    return senderCity;  
}  
  
void Package::setSenderState(const string & sstate)  
{  
    senderState = sstate;  
}  
  
string Package::getSenderState() const  
{  
    return senderState;  
}  
  
void Package::setSenderZip(const string & szip)  
{  
    senderZip = szip;  
}  
  
string Package::getSenderZip() const  
{  
    return senderZip;  
}  
  
void Package::setRecipientName(const string & rname)  
{  
    recipientName = rname;  
}  
  
string Package::getRecipientName() const  
{  
    return recipientName;  
}  
  
void Package::setRecipientAddress(const string & raddress)  
{  
    recipientAddress = raddress;  
}  
  
string Package::getRecipientAddress() const  
{  
    return recipientAddress;  
}  
  
void Package::setRecipientCity(const string & rcity)  
{  
    recipientCity = rcity;  
}  
  
string Package::getRecipientCity() const  
{  
    return recipientCity;  
}  
  
void Package::setRecipientState(const string & rstate)  
{  
    recipientState = rstate;  
}  
  
string Package::getRecipientState() const  
{  
    return recipientState;  
}  
void Package::setRecipientZip(const string & rzip)  
{  
    recipientZip = rzip;  
}  
  
string Package::getRecipientZip() const  
{  
    return recipientZip;  
}  
  
void Package::setWeight(double weight)  
{  
    weight = (weight < 0.0 ) ? 0.0 : weight;  
}  
double Package::getWeight() const  
{  
    return weight;  
}  
void Package::setShip(double shipCost)  
{  
    shipCost = ( shipCost < 0.0) ? 0.0 : shipCost;  
}  
  
double Package::getShip() const  
{  
    return shipCost;  
}  
  
double Package::calculateCost() const  
{    
    return weight * shipCost;  
}  


//The class TwoDayPackage is the first derived class from class Package
  
class TwoDayPackage : public Package  
{  
public:  
    TwoDayPackage(const string &, const string &, const string &, const string &, const string &, const string &,  
		const string &, const string &, const string &, const string &, double = 0.0, double = 0.0, double = 0.0); //constructor  
      
    void setFlatFee(double);  
    double getFlatFee() const;
	//void calculateCost() const;
  
private:  
    double flatFee;
};  
  
  
//The class OverNightPackage is the second derived class from class Package
  
class OverNightPackage : public Package  
{  
public:  
    OverNightPackage(const string &, const string &, const string &, const string &, const string &, const string &,
		const string &, const string &, const string &, const string &, double = 0.0, double = 0.0, double = 0.0); //constructor  
  
        void setFee(double);  
        double getFee() const;
		//void calculateCost() const;
  
private:  
    double fee;
};

PackageTest.cpp

Help with Code Tags 
#include <iostream>
#include <iomanip>
#include <conio.h>
#include <string>

using namespace std;
using std::setprecision;

#include "Package.cpp"


//Test File
  
int main()  
{  
    OverNightPackage box("John Doe", "789 Fire Street", "Hell", "MI", "48169", "Jane Doe", "987 Leg Sun Crossing", "Intercourse", "PA", "17534", 10.00, 1.50, .85);  
      
    TwoDayPackage parcel("John Doe", "789 Fire Street", "Hell", "MI", "48169", "Jane Doe", "987 Leg Sun Crossing", "Intercourse", "PA", "17534", 15.00, 1.05, 5.00);  
  
    cout << fixed << setprecision(2);  
      
	cout << "To ship a box with overnight delivery:\n"
         << "\nThe sender    " << box.getSenderName()  
         << "\n              " << box.getSenderAddress()
         << "\n              " << box.getSenderCity() << ", " << box.getSenderState() << "  " << box.getSenderZip() 
      
  
         << "\nThe recipient   " << box.getRecipientName()  
         << "\n                " << box.getRecipientAddress()
         << "\n                " << box.getRecipientCity() << ", " << box.getRecipientState() << "  " << box.getRecipientZip()  
         << "\nThe cost is   $ " << box.calculateCost()
      
      
         << "\n\n\n\nTo ship a parcel with 2 day delivery:\n"
         << "\nThe sender    " << parcel.getSenderName()  
         << "\n              " << parcel.getSenderAddress()
         << "\n              " << parcel.getSenderCity() << ", " << parcel.getSenderState() << "  " << parcel.getSenderZip()  
      
  
         << "\nThe recipient " << parcel.getRecipientName() 
         << "\n              " << parcel.getRecipientAddress()
         << "\n              " << parcel.getRecipientCity() << ", " << parcel.getRecipientState() << "  " << parcel.getRecipientZip()
         << "\nThe cost is   $ "<< parcel.calculateCost() << endl;  
 
	_getch();

}

I'm using VC++ 2008 Express Edition; if that matters.
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Re: Inheritance Hierarchy

  #12  
Jul 18th, 2008
You use calculateCost as a function, but also as a variable to the constructor in this line:

Package::Package(const string & sname, const string & saddress, const string & scity, const string & sstate, const string & szip, const string & rname, const string & raddress, const string & rcity, const string & rstate, const string & rzip, double weight, double shipCost, double calculateCost)
So that would cause some problems.

Also this line:
#include "Package.cpp" (in PackageTest.cpp) is wrong. I think you meant: #include "Package.h"
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Re: Inheritance Hierarchy

  #13  
Jul 18th, 2008
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Originally Posted by niek_e View Post
You use calculateCost as a function, but also as a variable to the constructor in this line:

Package::Package(const string & sname, const string & saddress, const string & scity, const string & sstate, const string & szip, const string & rname, const string & raddress, const string & rcity, const string & rstate, const string & rzip, double weight, double shipCost, double calculateCost)
So that would cause some problems.

Also this line:
#include "Package.cpp" (in PackageTest.cpp) is wrong. I think you meant: #include "Package.h"


So, do I need to get rid of the variable in Package:ackage or the function calculateCost??
And when I use #include "Package.h" in the PackageTest.cpp file, instead of #include "Package.cpp", I get 50 errors.
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Re: Inheritance Hierarchy

  #14  
Jul 18th, 2008
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Originally Posted by chaoticabyss99 View Post
So, do I need to get rid of the variable in Package:ackage or the function calculateCost??
Well, you're not doing anything with it right?

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Originally Posted by chaoticabyss99 View Post
And when I use #include "Package.h" in the PackageTest.cpp file, instead of #include "Package.cpp", I get 50 errors.


*sigh*. Wack this code: (from package.cpp)
Help with Code Tags
cpp Syntax (Toggle Plain Text) 
  1. //The class TwoDayPackage is the first derived class from class Package
  2.  
  3. class TwoDayPackage : public Package  
  4. {  
  5. public:  
  6.     TwoDayPackage(const string &, const string &, const string &, const string &, const string &, const string &,  
  7. 		const string &, const string &, const string &, const string &, double = 0.0, double = 0.0, double = 0.0); //constructor  
  8.  
  9.     void setFlatFee(double);  
  10.     double getFlatFee() const;
  11. 	//void calculateCost() const;
  12.  
  13. private:  
  14.     double flatFee;
  15. };  
  16.  
  17.  
  18. //The class OverNightPackage is the second derived class from class Package
  19.  
  20. class OverNightPackage : public Package  
  21. {  
  22. public:  
  23.     OverNightPackage(const string &, const string &, const string &, const string &, const string &, const string &,
  24. 		const string &, const string &, const string &, const string &, double = 0.0, double = 0.0, double = 0.0); //constructor  
  25.  
  26.         void setFee(double);  
  27.         double getFee() const;
  28. 		//void calculateCost() const;
  29.  
  30. private:  
  31.     double fee;
  32. };
in the header file (package.h). The header file is where the function-declaration should be.
Now :
- add default constructors/destructors
- write the function-defenition for the 2 derived classes. You have only made the declaration, but they don't do anything yet.
Want better/more replies to your questions? Wrap your code in [code] [/code] tags!
do NOT pm me for help, in the best case, you'll get ignored
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Re: Inheritance Hierarchy

  #15  
Jul 18th, 2008
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Originally Posted by niek_e View Post
Well, you're not doing anything with it right?



*sigh*. Wack this code: (from package.cpp)
Help with Code Tags
cpp Syntax (Toggle Plain Text) 
  1. //The class TwoDayPackage is the first derived class from class Package
  2.  
  3. class TwoDayPackage : public Package  
  4. {  
  5. public:  
  6.     TwoDayPackage(const string &, const string &, const string &, const string &, const string &, const string &,  
  7. 		const string &, const string &, const string &, const string &, double = 0.0, double = 0.0, double = 0.0); //constructor  
  8.  
  9.     void setFlatFee(double);  
  10.     double getFlatFee() const;
  11. 	//void calculateCost() const;
  12.  
  13. private:  
  14.     double flatFee;
  15. };  
  16.  
  17.  
  18. //The class OverNightPackage is the second derived class from class Package
  19.  
  20. class OverNightPackage : public Package  
  21. {  
  22. public:  
  23.     OverNightPackage(const string &, const string &, const string &, const string &, const string &, const string &,
  24. 		const string &, const string &, const string &, const string &, double = 0.0, double = 0.0, double = 0.0); //constructor  
  25.  
  26.         void setFee(double);  
  27.         double getFee() const;
  28. 		//void calculateCost() const;
  29.  
  30. private:  
  31.     double fee;
  32. };
in the header file (package.h). The header file is where the function-declaration should be.
Now :
- add default constructors/destructors
- write the function-defenition for the 2 derived classes. You have only made the declaration, but they don't do anything yet.


So, are you saying that the 2 derived classes need to be in the header file? I've only been learning c++ 6 weeks now, so I'm still an amateur.
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Re: Inheritance Hierarchy

  #16  
Jul 18th, 2008
The declaration should be in the header. The definition should be in the cpp file.

example:

foo.h
Help with Code Tags
cpp Syntax (Toggle Plain Text) 
  1. //declare the class
  2. class foo
  3. {
  4. public:
  5.    foo(){}; //do nothing constructor  
  6.    int bar (int); //declare the function int bar(int)
  7. }

foo.cpp:
Help with Code Tags
cpp Syntax (Toggle Plain Text) 
  1. #include "foo.h"
  2. //etc
  3.  
  4. //definition of the function 'bar' from class 'foo'
  5. int foo::bar(int i);
  6. {
  7.     return i+1; 
  8. }
Last edited by niek_e : Jul 18th, 2008 at 3:57 am.
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Re: Inheritance Hierarchy

  #17  
Jul 18th, 2008
Thanks niek_e for your insight. It's late here and I need to get some sleep. I'll take a look at this again tomorrow ( or later today since it's already 3:15am) when my brain is working a lil better.
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Re: Inheritance Hierarchy

  #18  
Jul 20th, 2008
Thanks niek_e for helping me out. I finally got it figured out!!
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