When should one use an abstract class, when should one use an interface, and when should one use both?

Abstract classes and interfaces may both be used to accomplish the goal of defining the behavior of common objects.Which factors should you take into account when deciding whether to utilize an interface or an abstract class?

When performing something as basic as implementing an interface, why is it essential to implement each and every function that is contained in the interface?

QUESTION 5 All methods in an abstract class must also be declared abstract. True False QUESTION 6 All fields declared in an interface are treated as final and static have protected access must be initialized in the class implementing the interface have private access

When should one use an abstract class, when should one use an interface, and when should one use both?

State a circumstance in which you would prefer an interface over an abstract class. Also, State a circumstance in which you would prefer an abstract class over an interface.

When should one use an abstract class, when should one use an interface, and when should one use both?