Adler : Java Glossary

Adler
A 32-bit checksum/digest that is almost as reliable in detecting changes as a CRC-32, but is much quicker to compute:
Consider using an an Adlerian digest for your hashCode when you can reduce the key part of your object to a long string of bytes.

BewareAdler32.update( int )! It accepts only an unsigned 8-bit byte packed in the low order bits of an int. You can’t feed update() a 32-bit int.

Oracle’s Javadoc on Adler32 class : available:

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