Added access.cpp

Classes and Inheritance/access.cpp

@@ -0,0 +1,48 @@
+#include <iostream>
+
+using namespace std;
+
+/*
+    Access Specifiers. They allow you to access certain variables
+    and functions only if you have the required `access`...
+*/
+
+class Parent {
+    public:
+        string name = "Generic parent name here"; // publically defining name to the parent
+    private:
+        int age = 40; // priv8ly defining age to the parent
+    protected:
+        string occupation = "Laziness :)"; // defining in an inherit-only manner
+};
+
+class Child : public Parent { // publically inheriting Parent
+    public:
+        string get_name() {
+            return name; // returning the publically defined name of the Parent 
+        }
+        string get_occupation() {
+            return occupation; // returning the protected occupation of the parent class
+                               // It can ONLY be accessed if it has been inherited (line 19)
+                               // -> The Child class can access protected variables and functions if
+                               // the Child class has inherited the Parent class PUBLICALLY.
+        }
+        // int get_age() {
+        //     return age; // cannot access age as it's private by the Parent class
+        // }
+};
+
+int main() {
+    // Defining the classes and respective objects
+    Parent p;
+    Child c;
+    // Calling parent name
+    cout << p.name << endl;
+    // Calling the name of the parent class from the child class
+    cout << c.get_name() << endl;
+    // Calling the occupation of the parent class from the child class
+    cout << c.get_occupation() << endl;
+    // Cannot get the age of the parent class as it's not available to child and only available for Parent
+    // cout << c.get_age() << endl; // will not compile
+    return 0;
+}