Standard Packages - The Java Programming Language - page 1092

• ZipOutputStream writes ZIP file format.
• GZIPInputStream reads GZIP file format.
• GZIPOutputStream writes GZIP file format.
• Deflater provides general support for using ZLIB compression.
• DeflaterOutputStream writes using ZLIB compression
• Inflater provides general support for using ZLIB decompression.
• InflaterInputStream reads ZLIB compressed data.
• CheckedInputStream reads a stream, creating a checksum of the
data.
• CheckedOutputStream writes a stream, creating a checksum of the
data.
• CRC32 computes a checksum using the CRC -32 algorithm.
• Adler32 computes a checksum using the Adler-32 algorithm.