9) put True/False a- ---------------- an abstract method can be declared in any

ID: 3576121 • Letter: 9

Question

9) put True/False

a- ---------------- an abstract method can be declared in any class.

b- ---------------- an abstract method MUST be overridden in a subclass.

c- ---------------- a final class can be extended by any class.

d- ---------------- generic methods are only allowed within abstract classes.

e- ---------------- a subclass can extend as many classes as it chooses.

f- ----------------- a subclass can implement as many interfaces as it chooses.

g- ---------------- all methods in an abstract class must be abstract.

h- ----------------- all methods in an interface must be abstract.

i- ----------------- one interface can extend another interface.

j- ---------------- all Java classes directly or indirectly inherit the public String toString( ) method.

a- False(The abstract method must be defined in abstract class only)

b- True

c- False(You cann't extend a class that is declared as final)

d- False

e- True

f- True

g- False(The abstract class contain both abstract methods and concrete methods)

h- True

i- False

j- True.

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.