# Hierarchy For Package org.apache.nutch.util

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.nutch.util.Bytes
  - org.apache.nutch.util.Bytes.ByteArrayComparator (implements org.apache.hadoop.io.RawComparator<T>)
  - org.apache.nutch.util.CommandRunner
  - org.apache.hadoop.conf.Configuration (implements java.lang.Iterable<T>, org.apache.hadoop.io.Writable)
    - org.apache.hadoop.mapred.JobConf
      - org.apache.nutch.util.NutchJobConf
  - org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    - org.apache.nutch.util.NutchTool
    - org.apache.nutch.util.WebPageWritable (implements org.apache.hadoop.io.Writable)
  - org.apache.nutch.util.DeflateUtils
  - org.apache.nutch.util.DomUtil
  - org.apache.nutch.util.EncodingDetector
  - org.apache.nutch.util.FSUtils
  - org.apache.hadoop.io.GenericWritable (implements org.apache.hadoop.conf.Configurable, org.apache.hadoop.io.Writable)
    - org.apache.nutch.util.GenericWritableConfigurable (implements org.apache.hadoop.conf.Configurable)
  - org.apache.nutch.util.GZIPUtils
  - org.apache.nutch.util.HadoopFSUtil
  - org.apache.nutch.util.Histogram<E>
  - org.apache.hadoop.mapreduce.task.JobContextImpl (implements org.apache.hadoop.mapreduce.JobContext)
    - org.apache.hadoop.mapreduce.Job (implements org.apache.hadoop.mapreduce.JobContext)
      - org.apache.nutch.util.NutchJob
  - org.apache.nutch.util.LockUtil
  - org.apache.nutch.util.MimeUtil
  - org.apache.nutch.util.NodeWalker
  - org.apache.nutch.util.NutchConfiguration
  - org.apache.nutch.util.ObjectCache
  - org.apache.nutch.util.Pair<F,S>
  - org.apache.hadoop.mapreduce.Reducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.gora.mapreduce.GoraReducer<K1,V1,K2,V2>
      - org.apache.nutch.util.IdentityPageReducer
  - org.apache.nutch.util.StringUtil
  - org.apache.nutch.util.TableUtil
  - org.apache.nutch.util.TimingUtil
  - org.apache.nutch.util.ToolUtil
  - org.apache.nutch.util.TrieStringMatcher
    - org.apache.nutch.util.PrefixStringMatcher
    - org.apache.nutch.util.SuffixStringMatcher
  - org.apache.nutch.util.TrieStringMatcher.TrieNode (implements java.lang.Comparable<T>)
  - org.apache.nutch.util.URLUtil

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