date

Challenge Yourself Here/JustPractice/operatorOverloading/Date.cpp

@@ -0,0 +1,163 @@
+#include <iostream>
+#include <cmath>
+
+using namespace std;
+
+class Date
+{
+private:
+    int day;
+    int month;
+    int year;
+
+public:
+    void setDay(int day)
+    {
+        this->day = day >= 1 && day <= 31 ? day : 1;
+    }
+    void setMonth(int month)
+    {
+        this->month = month >= 1 && month <= 12 ? month : 1;
+    }
+    void setYear(int year)
+    {
+        this->year = year >= 1900 ? year : 1900;
+    }
+    int getDay() const
+    {
+        return day;
+    }
+    int getMonth() const
+    {
+        return month;
+    }
+    int getYear() const
+    {
+        return year;
+    }
+    Date(int day, int month, int year)
+    {
+        setDay(day);
+        setMonth(month);
+        setYear(year);
+    }
+    Date(int month, int year) : day(1)
+    {
+        setMonth(month);
+        setYear(year);
+    }
+    Date()
+    {
+        day = 1;
+        month = 1;
+        year = 1900;
+    }
+
+    friend ostream &operator<<(ostream &out, const Date &obj)
+
+    {
+        const string arr[12] = {"January", "Feburay", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};
+        out << arr[obj.month - 1] << " " << obj.day << ", " << obj.year << "\n";
+        return out;
+    }
+    friend istream &operator>>(istream &in, Date &obj)
+    {
+        cout << "Enter Day:",
+            in >> obj.day;
+        cout << "Enter month:",
+            in >> obj.month;
+        cout << "Enter year:",
+            in >> obj.year;
+        return in;
+    }
+    Date &operator++()
+    {
+        if (day == 30 && (month >= 1 && month < 12))
+        {
+            day = 1;
+            ++month;
+        }
+        else if (day == 30 && month == 12)
+        {
+            day = 1,
+            month = 1,
+            ++year;
+        }
+        else
+        {
+            ++day;
+        }
+        return *this;
+    }
+    Date &operator++(int)
+    {
+        if (day == 30 && (month >= 1 && month < 12))
+        {
+            day = 1;
+            month++;
+        }
+        else if (day == 30 && month == 12)
+        {
+            day = 1,
+            month = 1,
+            year++;
+        }
+        else
+        {
+            day++;
+        }
+        return *this;
+    }
+    Date &operator--()
+    {
+        if (day == 1 && (month > 1 && month <= 12))
+        {
+            day = 30;
+            --month;
+        }
+        else if (day == 1 && month == 1)
+        {
+            day = 30;
+            month = 12;
+            --year;
+        }
+        else
+        {
+            --day;
+        }
+        return *this;
+    }
+    Date &operator--(int)
+    {
+        if (day == 1 && (month > 1 && month <= 12))
+        {
+            day = 30;
+            month--;
+        }
+        else if (day == 1 && month == 1)
+        {
+            day = 30;
+            month = 12;
+            year--;
+        }
+        else
+        {
+            day--;
+        }
+        return *this;
+    }
+    int operator-(const Date &obj2)
+    {
+        return ((((obj2.year - year) * 365)) + ((obj2.month - month) * 30) + ((obj2.day - day)));
+    }
+    bool operator+()
+    {
+        return ((day == 5 && month == 2) || (day == 23 && month == 3) || (day == 1 && month == 5));
+    }
+};
+
+int main()
+{
+
+    return 0;
+}