Monday, December 28, 2015

Java 8: Convert a String to a Stream of Characters

I find it a bit strange that the Java API does not provide a method to convert a String to a Stream<Character>, but this is how you can do it:

Stream<Character> stream = string.chars().mapToObj(i -> (char)i);

// or:

Stream<Character> stream = IntStream.range(0, string.length())
                                    .mapToObj(string::charAt);

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