Which of the following is not a kind of inheritance in C++?

is a set of methodologies that try to get software implemented quickly with fewer resources than previous methodologies.

a. Refactoring. b. Agile software development. c. Design patterns. d. None of the above.

Which of the following code displays the area of a circle if the radius is positive.

A. if (radius <= 0) cout << radius * radius * 3.14159; B. if (radius != 0) cout << radius * radius * 3.14159; C. if (radius >= 0) cout << radius * radius * 3.14159; D. if (radius > 0) cout << radius * radius * 3.14159;