As someone who's interested in helping programmers transitioning from Java to Scala, it's vital to recognize the significant disparity in the usage of types between the two. While types like 'Try[Map[Word, Count]]' are common in Scala/FP, they are less prevalent in Java/FP, even among experienced developers, except in library development roles.
'Thinking With Types' in Scala/FP entails writing and testing pure functions that offer transparency, reliability, and error handling through type signatures like Option, Try, or Either, guiding developers about potential failure points and simplifying maintenance.
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