Suppose A is an abstract class, B is a concrete subclass of A, and both A and B have default no-argument constructors: abstract class A 0 class B extends ÃO Which of the following is correct? O Aa-...

Extracted text: Suppose A is an abstract class, B is a concrete subclass of A, and both A and B have default no-argument constructors: abstract class A 0 class B extends ÃO Which of the following is correct? O Aa- new A(); Aa = new B(): Bb= new A(O: Ba= new A();


Extracted text: Which of the following statements regarding abstract classes is true? An abstract class can have instances created using the constructor of the abstract class. O An abstract class can be extended. A subclass of a non-abstract superclass cannot be abstract. An abstract class cannot be used as a data type.