# Uses of Package
org.apache.nutch.util

- Packages that use org.apache.nutch.util
  Package | Description
  --- | ---
  org.apache.nutch.crawl | Crawl control code and tools to run the crawler.
  org.apache.nutch.fetcher | The Nutch robot.
  org.apache.nutch.indexer | Index content, configure and run indexing and cleaning jobs to add, update, and delete documents from an index.
  org.apache.nutch.metadata | A Multi-valued Metadata container, and set of constant fields for Nutch Metadata.
  org.apache.nutch.net | Web-related interfaces: URL `filters` and `normalizers`.
  org.apache.nutch.parse | The `Parse` interface and related classes.
  org.apache.nutch.protocol | Classes related to the `Protocol` interface, see also `org.apache.nutch.net.protocols`.
  org.apache.nutch.service.impl |
  org.apache.nutch.tools | Miscellaneous tools.
  org.apache.nutch.util | Miscellaneous utility classes.

- Classes in org.apache.nutch.util used by org.apache.nutch.crawl
  Class and Description
  AbstractChecker Scaffolding class for the various Checker implementations.
  GenericWritableConfigurable A generic Writable wrapper that can inject Configuration to `Configurable`s
  NutchTool

- Classes in org.apache.nutch.util used by org.apache.nutch.fetcher
  Class and Description
  NutchTool

- Classes in org.apache.nutch.util used by org.apache.nutch.indexer
  Class and Description
  AbstractChecker Scaffolding class for the various Checker implementations.
  NutchTool

- Classes in org.apache.nutch.util used by org.apache.nutch.metadata
  Class and Description
  GenericWritableConfigurable A generic Writable wrapper that can inject Configuration to `Configurable`s

- Classes in org.apache.nutch.util used by org.apache.nutch.net
  Class and Description
  AbstractChecker Scaffolding class for the various Checker implementations.

- Classes in org.apache.nutch.util used by org.apache.nutch.parse
  Class and Description
  AbstractChecker Scaffolding class for the various Checker implementations.
  NutchTool

- Classes in org.apache.nutch.util used by org.apache.nutch.protocol
  Class and Description
  MimeUtil

- Classes in org.apache.nutch.util used by org.apache.nutch.service.impl
  Class and Description
  NutchTool

- Classes in org.apache.nutch.util used by org.apache.nutch.tools
  Class and Description
  NutchTool

- Classes in org.apache.nutch.util used by org.apache.nutch.util
  Class and Description
  ObjectCache
  TrieStringMatcher TrieStringMatcher is a base class for simple tree-based string matching.
  TrieStringMatcher.TrieNode Node class for the character tree.

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