Java

Consider the following class declaration:

public abstract class MyClass { private int x; private int y;

public MyClass() { ... } // default constructor ... }

Which of the following statements about MyClass is true?

A. The statement MyClass obj = new MyClass(); will create an instance of MyClass.

B. A program that uses MyClass must have at least one class that is a concrete subclass of MyClass.

C. More than one instance of MyClass can be created in a client program.

D. An abstract class cannot have instance variables.

E. MyClass must have a parameterized constructor to initialize x and y.