| Name | Description | Type | Package | Framework |
| CachingPrintStream | Class | org.apache.hadoop.hive.common.io | Apache Hive | |
| DigestPrintStream | Class | org.apache.hadoop.hive.common.io | Apache Hive | |
| FetchConverter | Class | org.apache.hadoop.hive.common.io | Apache Hive | |
| NonSyncByteArrayInputStream | A thread-not-safe version of ByteArrayInputStream, which removes all synchronized modifiers. | Class | org.apache.hadoop.hive.common.io | Apache Hive |
| NonSyncByteArrayOutputStream | A thread-not-safe version of ByteArrayOutputStream, which removes all synchronized modifiers. | Class | org.apache.hadoop.hive.common.io | Apache Hive |
| SortAndDigestPrintStream | Class | org.apache.hadoop.hive.common.io | Apache Hive | |
| SortPrintStream | Class | org.apache.hadoop.hive.common.io | Apache Hive | |