Write A C++ Program To Calculate Simple Interest. Hide The Data Elements Of The Class Using Private Keyword.

# include <iostream.h> 
 # include <conio.h> 
 class bank 
 { 
  private: 
  float p; 
  float r; 
  float t; 
  float si; 
  float amount; 
  public: 
                void read ( ) 
           { 
                  cout <<" Principle Amount : "; 
                  cin>>p ; 
                  cout<<" Rate of Interest : "; 
                  cin>>r; 
                  cout <<" Number of years : "; 
                  cin>>t; 
                  si= (p *r*t) /100; 
                  amount = si + p; 
           } 
               void show( ) 
          { 
                 cout<<"\n Principle Amount: "<<p; 
                 cout <<"\n Rate of Interest: "<<r; 
                 cout <<"\n Number of years: "<<t; 
                 cout <<"\n Interest : "<<si; 
                 cout <<"\n Total Amount : "<<amount; 
          } 
 }; 
              void main ( ) 
           { 
                clrscr ( ); 
                bank b ; 
                b.read ( ); 
                b.show ( ); 
                getch(); 
           }