Java API that unifies collections, arrays, iterators/iterable, and char sequences (String, StringBuilder, etc).

Dollar is 100% Java6 (no bytecode manipulation) with no dependencies besides JDK6. It has fluent builders for Lists, Sets and Maps, boxing and (null-safe) unboxing of primitive arrays, and advanced array boxing (e.g. int[] -> List<Integer>). It's open-source (LGPL version 3).

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