add: cpp-programming-questions 06_operator_over_friend 18

Author: webwithaman

06_operator_overloading_and_friend_function/18_type_casting.cpp

@@ -0,0 +1,63 @@
+// // Create an Integer class that contains int x as an instance variable and overload casting int() operator that will type cast your Integer class object to int data type.
+
+// // Header files
+#include <iostream>
+#include <conio.h>
+
+// // use namespace
+using namespace std;
+
+// // define class Integer
+class Integer
+{
+private:
+    // // instance memeber variable
+    int value;
+
+public:
+    // // Constructor
+    Integer()
+    {
+        value = 0;
+    }
+
+    Integer(int val)
+    {
+        value = val;
+    }
+
+    // // instance memebr function to get value
+    void setValue(int val)
+    {
+        value = val;
+    }
+
+    // // instance memebr function to get value
+    int getValue()
+    {
+        return value;
+    }
+
+    // overload logical NOT (!) operator
+    operator int()
+    {
+        return value;
+    }
+};
+
+int main()
+{
+    int val;
+    cout << "\nEnter A Number => ";
+    cin >> val;
+
+    Integer num1(val); // create an object of Integer class
+
+    int getval = num1;
+
+    cout << "\nEntered Number => " << getval;
+
+    cout << endl; // Add new line
+    getch();
+    return 0;
+}