import java.util.zip.CRC32; import java.util.zip.Checksum; public class Main { public static void main(String[] argv) throws Exception { byte[] bytes = "some data".getBytes(); // Compute Adler-32 checksum Checksum checksumEngine = new CRC32(); checksumEngine.update(bytes, 0, bytes.length); long checksum = checksumEngine.getValue(); checksumEngine.reset(); } }