Question 7 (12 points)

To extend an abstract class, a class must (2 points)

Question 7 options:

1)	extend an interface class

2)	implement at least one abstract method from the abstract class

3)	include new methods

4)	specify the keyword implements

5)	specify the keyword extends

Question 8 (6 points)

Polymorphism occurs at (1 point)

Question 8 options:

1)	compile time

2)	debug time

3)	early binding time

4)

run time

5)	none of the above