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Scrolling to the bottom of the article gives you a list of similar implementations in other languages.

Very interesting to see how other have tackled this programming problem.

I was somewhat amused to see that most other implementations take around 30 - 60 lines of code, except Java : 372.

But the comparison may not be fair, as the Java author may have tweaked the algorithm or added new features

There are two implementations listed for Java. The first is 35 LOC and the second is 372.