print derived class object contents

**LamontSharp** · Feb 1 '10, 06:20 PM

print derived class object contents

This code compiles nicely - i am looking for print methods to make the output print the format shown below - i am looking for a function or method of calling the existing code objects to make them display like the below example.

Customer: Security
Telephone no#: (312)777-1111

Customer: Security
Telephone no#: (312)777-1111
No# phone lines: 10

_______________ _______________ _____

Customer: Library
Telephone no#: (312)444-2222

Customer: Library
Telephone no#: (312)444-2222
No# phone lines: 8

Code:

// W I P_2                   //Tnum.h interface 

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

class Tnum {               

public:                
	string NPA, NXX, LINE, P_NUM;

	Tnum( ) {cout <<"\n Tnum default constructor proof\n";}

	Tnum( string a,string b,string c );

	void ph_num( );

   ~Tnum( );

	string GetNPA( ) const { return NPA; }
	void SetNPA( string g ) { NPA = g; }

	string GetNXX( ) const { return NXX; }
	void SetNXX( string h ) { NXX = h; }

	string GetLINE( ) const { return LINE; }
	void SetLINE( string i ) { LINE = i; } 
};

Tnum::Tnum( string a,string b,string c ) {

	NPA  = a;
	NXX  = b;
	LINE = c;
	P_NUM = NPA + NXX + LINE;  }

void Tnum::ph_num( ) {

	cout <<" \n Tnum parameterized constructor proof\n\n Type 3 digit area code then press 'ENTER' key  ";
	cin >> NPA;

	cout <<" \n Type 3 digit prefix then press 'ENTER' key  ";
	cin >> NXX;

	cout <<" \n Type 4 digit line number then press 'ENTER' key  ";
	cin >> LINE;

	P_NUM = NPA + NXX + LINE; cout <<" \n Telephone no#: "<< P_NUM <<"\n"; }       

Tnum::~Tnum( ) {

	cout <<" \n Tnum destructor fx flushed object containing variable value "<< P_NUM <<"\n\n_________________________________________________________________________"<<endl;}

//________________________________________________
                            
                               //WorTN.h interface                              

class WorTN : public Tnum { 

public:
   string CustName;    

   WorTN( ) {cout <<"\n WorTN default constructor proof\n";}

   WorTN( string d );

   void cust_num( );
             
   ~WorTN( );

   string GetCustName( ) const { return CustName; }
   void SetCustName( string j ) { CustName = j; }
};

WorTN::WorTN( string d ) { CustName = d; }
   
void WorTN::cust_num( ) {
	   
   cout << " \n WorTN parameterized constructor proof\n\n Type customer name then press 'ENTER' key  ";

   cin >> CustName; cout <<" \n Customer name: "<< CustName <<endl;  }

WorTN::~WorTN( ) {

   cout <<" \n WorTN destructor fx flushed object containing variable value "<< CustName <<"\n\n_________________________________________________________________________"<<endl;}


//____________________________________________________________________________
                            
                               //BTN.h interface                              

class BTN : public WorTN { 

public:
   int NumWrkLines;

   BTN( ) {cout <<"\n BTN default constructor proof\n";}
          
   BTN( int e );

   void cust_num_lines( );
    
  ~BTN( );

   int GetNumWrkLines( ) const { return NumWrkLines; }
   void SetNumWrkLines( int k ) { NumWrkLines = k; }
};

BTN::BTN( int e ) { NumWrkLines = e; }	 
 
void BTN::cust_num_lines( ) { 
	
   cout << " \n BTN parameterized constructor proof\n\n Type number of lines then press 'ENTER' key  ";
   cin >> NumWrkLines;

   cout <<" \n No# of lines: "<< NumWrkLines <<endl;  }

BTN::~BTN( ) {

   cout <<" \n BTN destructor fx flushed object containing variable value "<< NumWrkLines <<"\n\n_________________________________________________________________________"<<endl;}

//___________________________________________________________________________________

                       //Tnum_main.cpp utilization

ostream &operator<<(ostream &print1, Tnum m) {
   print1 << "\n Telephone no#: (" << m.NPA << ") ";
   print1 << m.NXX << "-" << m.LINE << "\n";   
   return print1; }

ostream &operator<<(ostream &print2, WorTN n) {
   print2 << "\n Customer: "<< n.CustName << "\n";
   return print2; }

ostream &operator<<(ostream &print3, BTN o) {
   print3 << "\n No# phone lines: "<< o.NumWrkLines << "\n"; 
   return print3; }

ostream& T( ostream& p ) { return p <<'\a'; }   

int main( ) {

   Tnum xx;     xx.ph_num( );           
   WorTN yy;    yy.cust_num( );        
   BTN zz;      zz.cust_num_lines( );  

   Tnum x( "(303) ","777-","1111" );
   Tnum y( "(303) ","444-","2222" );
   cout << x << y <<T<<T<<T<<T<<"\n__________________________\n";

   WorTN q( "Security" );
   WorTN r( "Library" );
   cout << q << r <<T<<T<<T<<T<<"\n__________________________\n";

   BTN s( 10 );
   BTN t( 8 );
   cout << s << t <<T<<T<<T<<T<<"\n__________________________\n";

system ("pause");      
return 0;              
}

print derived class object contents

print derived class object contents

Comment