## Uses of Class
org.apache.lucene.search.FieldExistsQuery

- Packages that use FieldExistsQuery
  Package | Description
  --- | ---
  org.apache.lucene.search | Code to search indices.

- - ### Uses of FieldExistsQuery in org.apache.lucene.search

    Subclasses of FieldExistsQuery in org.apache.lucene.search
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `DocValuesFieldExistsQuery` | Deprecated. Use `FieldExistsQuery` instead.
    `class` | `KnnVectorFieldExistsQuery` | Deprecated. Use `FieldExistsQuery` instead.
    `class` | `NormsFieldExistsQuery` | Deprecated. Use `FieldExistsQuery` instead.