Which of the follow are true statements.
a. Any named class can be declared abstract.
b. An incompletely implemented class must be declared abstract.
c. A local class can be declared abstract.
d. An abstract class can be instantiated.
e. An abstact class is implicitly final.
f. An abstact class must declare at least one abstract method.
g. An abstact class can not extend a concrete class.
h. None of the above.
Is letter a correct ? What about classes that are already declared as final ? help! im confused