CHECKSUM
From Pickwiki
Java implementation of the UniBasic CHECKSUM function:
static long checksum( String input ) { char[] chars = new char[ input.length() ]; input.getChars(0, chars.length, chars, 0); long answer = 0L; for (int i = 0; i< chars.length ; i++) { answer += ((int)chars[i]) * (i+1); } return answer; }