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Hadoop MCQs

Which line of code implements a Reducer method in MapReduce 2.0?

Public void reduce(Text key, Iterator values, Context context){…}

Public static void reduce(Text key, IntWritable[] values, Context context){…}

Public static void reduce(Text key, Iterator values, Context context){…}

Public void reduce(Text key, IntWritable[] values, Context context){…}

Answer

Correct Answer: Public void reduce(Text key, Iterator values, Context context){…}

Explanation:

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