Explanation:Writable interface need to be implemented for key classes. 7. Key classes have to implement the __________ interface to facilitate sorting by the framework.
A. Writable
B. Comparable
C. WritableComparable
D. None of the mentioned
Answer:A
Explanation:Writable interface need to be implemented for key classes. 7. Key classes have to implement the __________ interface to facilitate sorting by the framework.
A. Writable B. Comparable C. WritableComparable D. None of the mentioned