# Hierarchy For Package org.apache.hadoop.mapreduce.lib.map

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.hadoop.mapreduce.lib.map.InverseMapper<K,V>
    - org.apache.hadoop.mapreduce.lib.map.MultithreadedMapper<K1,V1,K2,V2>
    - org.apache.hadoop.mapreduce.lib.map.RegexMapper<K>
    - org.apache.hadoop.mapreduce.lib.map.TokenCounterMapper
    - org.apache.hadoop.mapreduce.lib.map.WrappedMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
  - org.apache.hadoop.mapreduce.Mapper.Context (implements org.apache.hadoop.mapreduce.MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>)
    - org.apache.hadoop.mapreduce.lib.map.WrappedMapper.Context

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