Uses of Interface opennlp.tools.postag.POSTagger (Apache OpenNLP Tools 1.9.5 API)
Date: 2026-06-18

## Uses of Interface
opennlp.tools.postag.POSTagger

- Packages that use POSTagger
  Package | Description
  --- | ---
  opennlp.tools.parser | Package containing common code for performing full syntactic parsing.
  opennlp.tools.postag | Package related to part-of-speech tagging.
  opennlp.tools.util.featuregen | This package contains classes for generating sequence features.

- - ### Uses of POSTagger in opennlp.tools.parser

    Fields in opennlp.tools.parser declared as POSTagger
    Modifier and Type | Field and Description
    --- | ---
    `protected POSTagger` | AbstractBottomUpParser.`tagger` The pos-tagger that the parser uses.

    Constructors in opennlp.tools.parser with parameters of type POSTagger
    Constructor and Description
    `AbstractBottomUpParser(POSTagger tagger, Chunker chunker, HeadRules headRules, int beamSize, double advancePercentage)`

  - ### Uses of POSTagger in opennlp.tools.postag

    Classes in opennlp.tools.postag that implement POSTagger
    Modifier and Type | Class and Description
    --- | ---
    `class` | `POSTaggerME` A part-of-speech tagger that uses maximum entropy.

    Constructors in opennlp.tools.postag with parameters of type POSTagger
    Constructor and Description
    `POSEvaluator(POSTagger tagger, POSTaggerEvaluationMonitor... listeners)` Initializes the current instance.

  - ### Uses of POSTagger in opennlp.tools.util.featuregen

    Constructors in opennlp.tools.util.featuregen with parameters of type POSTagger
    Constructor and Description
    `POSTaggerNameFeatureGenerator(POSTagger aPosTagger)` Initializes a new instance.

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