show the use of class in a c++

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show the use of class in a c++
#include<iostream>
using namespace std; 
class person
 { 
char name[30]; 
 int age;
 public:
 void getdata(void); 
 void display(void); 
}; 
void persion:: getdata(void) 
 { 
 cout<<"Enter name:"; 
 cin>>name; 
cout<<"Enter age:";
 cin>>age;
 } 
 void person ::display(void)
 { 
cout<<"\n name:"<<name;
cout<<"\n age:<<age;
}
int main()
{
person p;
p.getdata();
p. display();
return 0;
}
output--
Enter name :rajukumar
Enter age:21
name:rajukumar
age:21
related program--
  Average of two number in c++ program

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