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tut37.cpp
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tut37.cpp
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#include <iostream>
using namespace std;
// base class
class Employee
{
public:
int id;
float salary;
Employee(int inpId)
{
id = inpId;
salary = 34.0;
}
Employee(){}
};
/*
class {{derived-class-name}}: {{visibility mode } {{base- class-name}}
{
class members/methods/etc....
}
Note
1. default visibilty mode is private
2 private visibility : public members of the base class becomes private members of the derived class
3 public visibility : public members of the base class becomes public members of the derived class
4 private members are never inherited
*/
// creating a programmer class derived from employee base class
class Programmer : Employee
{
public:
int languageCode;
Programmer(int inpId){
id = inpId;
languageCode = 9;
}
void getdata(){
cout<<id<<endl;
}
};
int main()
{
Employee rohit(1), rohan(2);
cout << rohit.salary << endl;
cout << rohan.salary << endl;
Programmer skillF(1);
cout<<skillF.languageCode<<endl;
//cout<<skillF.id<<endl;// it will throw an error because id is private member in Progammar class beacuse we didn't give visibilty mode so by dafault it private
skillF.getdata();
return 0;
}