Check all that apply Which of the following statements are true about abstract c
ID: 3570889 • Letter: C
Question
Check all that apply
Which of the following statements are true about abstract classes?
An abstract method cannot be contained in a nonabstract class.
If a subclass of an abstract superclass does not implement all the abstract methods, the subclass must be declared abstract.
An abstract class cannot be instantiated using the new operator.
It is possible to declare an abstract class that contains no abstract methods.
A subclass can be abstract even if its superclass is concrete.
An abstract method cannot be contained in a nonabstract class.
If a subclass of an abstract superclass does not implement all the abstract methods, the subclass must be declared abstract.
An abstract class cannot be instantiated using the new operator.
It is possible to declare an abstract class that contains no abstract methods.
A subclass can be abstract even if its superclass is concrete.
Explanation / Answer
a
b
AND d are applicable