Select all correct options from the list We can create an instance of an abstract class An abstract class must have at least one abstract method Abstract classes can have constructors, but they must be non-abstract Abstract classes can be final An abstract class can be extended by both abstract and non-abstract classes Interfaces can have constructors Interfaces can have method declarations (i.e., signatures) Interfaces can have non-static method definitions (i.e., implemented bodies). Ignore "default" Interfaces can have overloaded method signatures Interfaces can have variables, but only if they're public static final