     - Display()   "State: ",   
Display()     .  TBase::  DisplayO, 
  ,    -  TBase. 
         

    TState state("Ohio"); 
    state. Display();

        "State: Ohio". 
            . 
,        .  
     ,  : 

    class TPennsylvania:  public TState {	
    public:	
      TPennsylvania():  TState("Pennsylvanya") {}	
    };	

     TPennsylvania   TState.  ,  
 ,    "Pennsylvania"   
.    

    TPennsylvania Pennsylvania;	
    Pennsylvania.Display() ;                                                                      

    Pennsylvania    . 
         . ,  
 , coxp       
.       TState: 

    class TPopulation:  public TState { 
    private: 
       long population; 
    public: 
       TPopulation( long n,   const char *name ); 
       void Display(void); 
    }
 
     TPopulation        
    .     
 :	

    TPopulation::TPopulation(long n,  const char name) 
    private:	
       long population;	
    public: 
       TPopulation (long n, const char *narae) ; 
       void Display(void); 
    }; 

         ,   
TStateO       .  
       n    
 . 
              
  - Display()  : 

    void TPopulation::Display(void) 
    { 
       TState: .Display() ; 
       cout  "Population == "  population  '\n'; 
    } 

    -          
  TPopulation       : 

    TPopulation Nebraska(1570000,   "Nebraska"); 
    Nebraska. DisplayO;	


     

              , 
   ,  ,   
.      ,    
    .      
  ,    .   
       ,       
  ,    , 
  ,      . 
    Borland C++     (.  16).  
   TTimer    ,   
.       , 


    346  III.   ANSI C++
