Package org.apache.hadoop.util

Common utilities.

See: Description

Interface Summary

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

Class Summary

Class	Description
ApplicationClassLoader	A URLClassLoader for application isolation.
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
StringInterner	Provides equivalent behavior to String.intern() to optimize performance, whereby does not consume memory in the permanent generation.
ToolRunner	A utility to help run Tools.
VersionInfo	This class returns build information about Hadoop components.

Package org.apache.hadoop.util Description

Common utilities.