< > BotCompany Repo | #1013017 // randomFromIterator - can return null if n is not correct

JavaX fragment (include)

static <A> A randomFromIterator(int n, Iterator<A> it) {
  n = random(n);
  while (n-- > 0)
    if (it.hasNext()) it.next(); else null;
  ret it.hasNext() ? it.next() : null;
}

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