In inheritance diagrams, the arrows point towards child classes. Question 1 Not yet answered Points out of 1.00 P Flag question Select one: O True O False Question 2 If type extension is important we would want to use composition. Not yet answered Points out of 1.00 Select one: O True O False Flag question In Java, the object class is the root of all inheritance hierarchies. Question 3 Not yet answered Points out of 1.00 Select one: O True O False Flag question Select the statement that best describes the Open Closed Principle. Question 4 Not yet answered Points out of 1.00 Flag question Select one: O A class should be closed for extension and open for modification O A class should be open for extension and closed for modification O A class should be open for implementation and closed for modification O A class should be open for extension and closed for debugging