# Package org.apache.lucene.codecs.lucene40

Lucene 4.0 file format.

See: Description

- Class Summary
  Class | Description
  --- | ---
  Lucene40Codec | Deprecated Only for reading old 4.0 segments
  Lucene40CompoundFormat | Deprecated only for reading old 4.x segments
  Lucene40DocValuesFormat | Deprecated Only for reading old 4.0 and 4.1 segments
  Lucene40FieldInfosFormat | Deprecated Only for reading old 4.0 and 4.1 segments
  Lucene40LiveDocsFormat | Deprecated Only for reading old 4.x segments
  Lucene40NormsFormat | Deprecated Only for reading old 4.0 and 4.1 segments
  Lucene40PostingsFormat | Deprecated Only for reading old 4.0 segments
  Lucene40SegmentInfoFormat | Deprecated Only for reading old 4.0-4.5 segments
  Lucene40StoredFieldsFormat | Deprecated only for reading 4.0 segments
  Lucene40TermVectorsFormat | Deprecated only for reading 4.0 and 4.1 segments

## Package org.apache.lucene.codecs.lucene40 Description

Lucene 4.0 file format.

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