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Question

Point out the wrong statement.

a.

DoFns also have a number of helper methods for working with Hadoop Counters, all named increment

b.

The Crunch APIs contain a number of useful subclasses of DoFn that handle common data processing scenarios and are easier to write and test

c.

FilterFn class defines a single abstract method

d.

None of the mentioned

Posted under Hadoop

Answer: (d).None of the mentioned

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