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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. class Person {
  5. public:
  6.     string name;
  7.  
  8.     void showName() {
  9.         cout << "Name: " << name << '\n';
  10.     }
  11. };
  12.  
  13. class Student : public Person {   // Single Inheritance
  14. public:
  15.     int roll;
  16.  
  17.     void showRoll() {
  18.         cout << "Roll: " << roll << '\n';
  19.     }
  20. };
  21.  
  22. int main() {
  23.     Student s;           // Student object
  24.     s.name = "Fahim";    // inherited from Person
  25. ///    s.roll = 101;
  26.  
  27.     s.showName();        // calling base class method
  28.    /// s.showRoll();        // calling derived class method
  29.  
  30.     return 0;
  31. }
  32.  
Success #stdin #stdout 0.01s 5316KB
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Standard input is empty
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Name: Fahim
https://ideone.com/cYDgnU
language:
C++ (gcc 8.3)
created:
7 hours ago
visibility:
public

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