CPPII/virtual_fun.cpp at master · neha089/CPPII · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
#include<iostream>
using namespace std;

// class BaseClass{
//     public:
//         int var_base=1;
//         virtual void display(){
//             cout<<"1 Dispalying Base class variable var_base "<<var_base<<endl;
//         }
// };

// class DerivedClass : public BaseClass{
//     public:
//             int var_derived=2;
//             void display(){
//                 cout<<"2 Dispalying Base class variable var_base "<<var_base<<endl;
//                 cout<<"2 Dispalying Derived class variable var_derived "<<var_derived<<endl;
//             }
// };
// int main(){
//     BaseClass * base_class_pointer;
//     BaseClass obj_base;
//     DerivedClass obj_derived;

//     base_class_pointer = &obj_ba;
//     base_class_pointer->display();
//     return 0;
// }
class CWH{
    protected:
        string title;
        float rating;
    public:
        CWH(string s, float r){
            title =  s;
            rating = r;
        }
      virtual void display(){
            cout<<"base";
        }
};
class CWHVideo: public CWH
{
    float videoLength;
    public:
        CWHVideo(string s, float r, float vl): CWH(s, r){
            videoLength = vl;
        }
       virtual void display(){
            cout<<"This is an amazing video with title "<<title<<endl;
            cout<<"Ratings: "<<rating<<" out of 5 stars"<<endl;
            cout<<"Length of this video is: "<<videoLength<<" minutes"<<endl;
        }
};
class CWHText: public CWH
{
    int words;
    public:
        CWHText(string s, float r, int wc): CWH(s, r){
            words = wc;
        }
  virtual    void display(){
      cout<<"This is an amazing text tutorial with title "<<title<<endl;
      cout<<"Ratings of this text tutorial: "<<rating<<" out of 5 stars"<<endl;
      cout<<"No of words in this text tutorial is: "<<words<<" words"<<endl;
         }
};
int main(){
    string title;
    float rating, vlen;
    int words;

    // for Code With Harry Video
    title = "Django tutorial";
    vlen = 4.56;
    rating = 4.89;
    CWHVideo djVideo(title, rating, vlen);

    // for Code With Harry Text
    title = "Django tutorial Text";
    words = 433;
    rating = 4.19;
    CWHText djText(title, rating, words);

    CWH* tuts[2];
    tuts[0] = &djVideo;
    tuts[1] = &djText;

    tuts[0]->display();
    tuts[1]->display();

    return 0;
}
// #include<iostream>
// #include<string>

// using std::cout;
// using std::cin;
// using std::endl;
// using std::string;

// /* Write your code here */
// class person{


//  short int age

// protected:

//   string gender

//  stringn name

// public:

// };

// int main() {
//     string name, gender, department, designation, employee_since;
//     short age;
//     int yearly_salary;
//     cin >> name >> gender >> age >> department >> designation;
//     cin >> employee_since >> yearly_salary;
//     Employee employee(name, gender, age, department, designation,
//                       employee_since, yearly_salary);
//     Manager manager(employee);

//     int direct_reports_count = 0;
//     cin >> direct_reports_count;

//     Employee *employee_ptr;
//     for(int i = 0; i < direct_reports_count; i++) {
//         getchar(); // removing newline from input buffer
//         cin >> name >> gender >> age >> department >> designation;
//         cin >> employee_since >> yearly_salary;
//         employee_ptr = new Employee(name, gender, age, department,
//                                     designation, employee_since,
//                                     yearly_salary);
//         manager.add_direct_report(employee_ptr);
//     }

//     getchar(); // Removing newline from input buffer
//     string existing_designation, new_designation;
//     cin >> existing_designation >> new_designation;
//     manager.change_designation(existing_designation, new_designation);

//     float increment_percentage;
//     cin >> designation >> increment_percentage;
//     manager.increase_salary(designation, increment_percentage);

//     manager.print();

//     return 0;
// }