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## Package org.apache.hadoop.util

Common utilities.

See:
Description

Interface Summary
Progressable | A facility for reporting progress.
Tool | A tool interface that supports handling of generic command-line options.

Class Summary
PureJavaCrc32 | A pure-java implementation of the CRC32 checksum that uses the same polynomial as the built-in native CRC32.
PureJavaCrc32C | A pure-java implementation of the CRC32 checksum that uses the CRC32-C polynomial, the same polynomial used by iSCSI and implemented on many Intel chipsets supporting SSE4.2.
ReflectionUtils | General reflection utils
ToolRunner | A utility to help run `Tool`s.

## Package org.apache.hadoop.util Description

Common utilities.

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