add: cpp-programming-questions 06_operator_over_friend 17

Author: webwithaman

.vscode/settings.json

@@ -0,0 +1,12 @@
+{
+  "files.associations": {
+    "system_error": "cpp",
+    "array": "cpp",
+    "functional": "cpp",
+    "tuple": "cpp",
+    "type_traits": "cpp",
+    "utility": "cpp",
+    "ostream": "cpp",
+    "iostream": "cpp"
+  }
+}

06_operator_overloading_and_friend_function/16_logical_not_for_integer.cpp

@@ -1,3 +1,5 @@
+// // Create an Integer class and overload logical not operator for that class.
+
 // // Header files
 #include <iostream>
 #include <conio.h>

06_operator_overloading_and_friend_function/17_coordinate.cpp

@@ -0,0 +1,71 @@
+// // Create a Coordinate class for 3 variables x,y and z and overload comma operator such that when you write c3 = (c1 , c2 ) then c2 is assigned to c3. Where c1,c2 and c3 are objects of 3D coordinate class.
+
+// // Header files
+#include <iostream>
+#include <conio.h>
+
+// // use namespace
+using namespace std;
+
+// // define class Coordinate
+class Coordinate
+{
+private:
+    // // instance memeber variable
+    int x, y, z;
+
+public:
+    // // Constructor
+    Coordinate()
+    {
+        x = y = z = 0;
+    }
+
+    Coordinate(int x, int y, int z)
+    {
+        this->x = x;
+        this->y = y;
+        this->z = z;
+    }
+
+    // // instance memebr function to get value
+    void setValues(int x, int y, int z)
+    {
+        this->x = x;
+        this->y = y;
+        this->z = z;
+    }
+
+    // // instance memebr function to get value
+    int showValues()
+    {
+        cout << "\nx => " << x;
+        cout << "\ny => " << y;
+        cout << "\nz => " << z;
+    }
+
+    // overload logical comma (,) operator
+    Coordinate operator,(Coordinate p)
+    {
+        return p;
+    }
+};
+
+int main()
+{
+
+    Coordinate c1(2, 4, 6), c2(4, 2, 135), c3; // create objects of Coordinate class
+
+    c3 = (c1, c2);
+
+    cout << "\n\n>>>>>>>>>>> Coordinates of c1 <<<<<<<<<<<";
+    c1.showValues();
+    cout << "\n\n>>>>>>>>>>> Coordinates of c2 <<<<<<<<<<<";
+    c2.showValues();
+    cout << "\n\n>>>>>>>>>>> Coordinates of c3 <<<<<<<<<<<";
+    c3.showValues();
+
+    cout << endl; // Add new line
+    getch();
+    return 0;
+}