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Java™
by example!
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How do I create a checksum of an inputstream?
Use the class CheckedInputStream. This class is a FilterInputStream and calculates a checksum as data passes through it. When creating it, pass it an existing inputstream and an instance of a class that implements the Checksum interface. In the standard API, there are two such classes available: java.util.zip.Adler32 and java.util.zip.CRC32.
The checksum value can be retrieved by invoking getChecksum().getValue().
This method calculates the checksum of a file.
Main.java:
Further Information
Author of answer: Joris Van den Bogaert
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