I used this exact example a few months ago to compare Java and Ruby [1]. Funny how it keeps coming up. (While I was using Java, I never even knew there was a n

I used this exact example a few months ago to compare Java and Ruby [1]. Funny how it keeps coming up. (While I was using Java, I never even knew there was a need for higher-order functions.) [1] http://news.ycombinator.com/item?id=1947723 http://news.ycombinator.com/item?id=1947723