circumference of circle (OOP)

write a program in c++ using OOP technique to compute circumference of circle.

Author: jhasuraj01

circumference_circle_class.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+class circumference_circle_class {
+private:
+	int rad;
+public:
+	void circumference(float);
+};
+void circumference_circle_class::circumference(float r) {
+	std::cout << "\nCircumference of a circle is: " << 2 * 3.14*r;
+}
+
+int main() {
+	circumference_circle_class obj;
+	obj.circumference(10);
+	return 0;
+}