Checksum cs = new CRC32(); // It would be more efficient to read chunks of data // at a time, but this is simpler and easier to understand. for (int b = in.read(); b != -1; b = in.read()) { cs.update(b); } return cs.getValue();
FileInputStream fin = new FileInputStream(args[0]); System.out.println(args[0] + ":\t" + getCRC32(fin)); fin.close();