1Which of the following statements are true?
A. All declared methods in an interface are abstract.
B. Interfaces allow static methods.
C. Methods with default keyword must provide an implementation in the interface.
D. Declared fields in an interface can be changed.
A. All declared methods in an interface are abstract.
B. Interfaces allow static methods.
C. Methods with default keyword must provide an implementation in the interface.
D. Declared fields in an interface can be changed.