Force a race condition on the variable `root'. if (n.divide(root).equals(root)) ... | Hacker News

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		uvdiv on March 20, 2013 \| parent \| context \| favorite \| on: Java Puzzle: Square Root Force a race condition on the variable `root'. `if (n.divide(root).equals(root)) {` Try to set it to 2^20001 on the first funcall and 0 on the second.

mtpettyp on March 20, 2013 [–]

BigInteger is immutable so this won't work

uvdiv on March 23, 2013 | [–]

You're right! Good catch.

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