| Package | Description | 
|---|---|
| org.apache.hadoop.io | Generic i/o code for use when reading and writing data to the network,
to databases, and to files. | 
| org.apache.hadoop.mapreduce.lib.reduce | 
| Modifier and Type | Method and Description | 
|---|---|
| int | IntWritable. compareTo(IntWritable o)Compares two IntWritables. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | IntSumReducer. reduce(Key key,
      Iterable<IntWritable> values,
      org.apache.hadoop.mapreduce.Reducer.Context context) | 
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