public static final long crc64Long(String in){
  if (in == null || in.length() == 0) {
    return 0;
  }
  return crc64Long(getBytes(in));
}

public static final long crc64Long ( String in ) { if ( in == null || in . length ( ) == 0 ) { return 0 ; } return crc64Long ( getBytes ( in ) ) ; }
a function thats returns a 64 - bit crc for string
