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Provides classes for reading and writing the standard ZIP and GZIP
file formats.  Also includes classes for compressing and decompressing
data using the DEFLATE compression algorithm, which is used by the
ZIP and GZIP file formats. Additionally, there are utility classes
for computing the CRC-32 and Adler-32 checksums of arbitrary
input streams.


<h2>Package Specification</h2>

</a>
<ul>
  <li><a href="ftp://ftp.uu.net/pub/archiving/zip/doc/appnote-970311-iz.zip">
      Info-ZIP Application Note 970311
      </a> - a detailed description of the Info-ZIP format upon which
      the <code>java.util.zip</code> classes are based.
<p>
  <li><a href="http://www.isi.edu/in-notes/rfc1950.txt">
      ZLIB Compressed Data Format Specification version 3.3</a>
      &nbsp;
      <a href="http://www.isi.edu/in-notes/rfc1950.ps">
      (PostScript)</a>
      (RFC 1950)
<p>
  <li><a href="http://www.isi.edu/in-notes/rfc1951.txt">
      DEFLATE Compressed Data Format Specification version 1.3</a>
      &nbsp;
      <a href="http://www.isi.edu/in-notes/rfc1951.ps">
      (PostScript)</a>
      (RFC 1951)
<p>
  <li><a href="http://www.isi.edu/in-notes/rfc1952.txt">
      GZIP file format specification version 4.3</a>
      &nbsp;
      <a href="http://www.isi.edu/in-notes/rfc1952.ps">
      (PostScript)</a>
      (RFC 1952)
<p>
  <li>CRC-32 checksum is described in RFC 1952 (above)
<p>
  <li>Adler-32 checksum is described in RFC 1950 (above)

</ul>


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<h2>Related Documentation</h2>

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@since JDK1.1
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