Java: How do I perform integer division that rounds towards -Infinity rather than 0?

Question

(note: not the same as this other question since the OP never explicitly specified rounding towards 0 or -Infinity)

JLS 15.17.2 says that integer di

Answer 1

return BigDecimal.valueOf(n).divide(BigDecimal.valueOf(d), RoundingMode.FLOOR).longValue();