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tut21.cpp
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tut21.cpp
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#include<iostream>
using namespace std;
// Classes, Public and Private access modifiers in C++ :-
// Why use classes instead of structures ?
// Classes and structures are somewhat the same but still, they have some differences.
// For example, we cannot hide data in structures which means that everything is public
// and can be accessed easily which is a major drawback of the structure
// because structures cannot be used where data security is a major concern.
// Another drawback of structures is that we cannot add functions in it.
// Classes in C++ :-
// Classes are user-defined data-types and are a template for creating objects.
// Classes consist of variables and functions which are also called class members.
// Public Access Modifier in C++ :-
// All the variables and functions declared under public access modifier will be available for everyone.
// They can be accessed both inside and outside the class.
// Dot (.) operator is used in the program to access public data members directly.
// Private Access Modifier in C++ :-
// All the variables and functions declared under a private access modifier can only be used inside the class.
// They are not permissible to be used by any object or function outside the class.
class employee
{
private:
int a, b, c;
public:
int d, e;
void setdata(int a1, int b1, int c1); //Declaration
void getdata(){
cout<<"The value of a is "<<a<<endl;
cout<<"The value of b is "<<b<<endl;
cout<<"The value of c is "<<c<<endl;
cout<<"The value of d is "<<d<<endl;
cout<<"The value of e is "<<e<<endl;
}
};
void employee :: setdata(int a1, int b1, int c1){
a=a1;
b=b1;
c=c1;
}
int main(){
employee harry;
harry.d = 7;
harry.e = 8;
harry.setdata(4, 5, 6);
harry.getdata();
return 0;
}