Author Question: Which of the following statements regarding abstract methods are true? (Read 81 times)

jwb375 · **on:** May 6, 2020

Question 1

Which of the following declares an abstract method in an abstract Java class?
◦ public abstract method();
◦ public void method() {}
◦ public abstract void method() {}
◦ public void abstract Method();
◦ public abstract void method();

Question 2

Which of the following statements regarding abstract methods are true?
◦ A subclass can override a concrete method in a superclass to declare it abstract.
◦ An abstract class can be used as a data type.
◦ An abstract class can be extended.
◦ An abstract class can have instances created using the constructor of the abstract class.
◦ A subclass of a non-abstract superclass can be abstract.

frre432 · **Reply #1 on:** May 6, 2020

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