Java SE 8 quiz medium level

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Test description

Take this test to discover more about Java SE 8! Get ready to incorporate new features and APIs in your programming routine. Topics: Methods enhancements, Lambda expressions, Streams, Optionals, New date and time API, Annotations.

Sample questions

1
Which 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.

Only A

A and D

B and C

B, C and D