Sort person objects using array of pointers : object pointer « Class « C++ Tutorial

1. C++ Tutorial
2. Class
3. object pointer

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

  class person{  
     protected:  
        string name;
     public:  
        void setName()
        { cout << "Enter name: "; cin >> name; }  
        void printName()
        { cout << endl << name; }  
        string getName()
        { return name; }  
  };  
  int main(){  
     void bsort(person**, int);    
     person* persPtr[100];           
     int n = 0;                    
     char choice;                  
    
     do {                          
        persPtr[n] = new person;   
        persPtr[n]->setName();     
        n++;                       
        cout << "Enter another (y/n)? ";
        cin >> choice;              
     }while( choice=='y' );          
    
     cout << "\nUnsorted list:";  
     for(int j=0; j<n; j++)         
     { 
        persPtr[j]->printName(); 
     }
    
     bsort(persPtr, n);             
    
     cout << "\nSorted list:";  
     for(int j=0; j<n; j++)             
     { 
       persPtr[j]->printName(); 
     }
     cout << endl;  
     return 0;  
  }  
  void bsort(person** pp, int n){  
     void order(person**, person**);  
     int j, k;                      
    
     for(j=0; j<n-1; j++)           
        for(k=j+1; k<n; k++)        
         order(pp+j, pp+k);         
    }  
  void order(person** pp1, person** pp2){
     if( (*pp1)->getName() > (*pp2)->getName() )  {  
        person* tempptr = *pp1;
        *pp1 = *pp2;  
        *pp2 = tempptr;  
     }  
  }