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package pr2.streams.chars_3;
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import java.util.List;
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public class CountLetters {
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public static long count(List<String> liste) {
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long chars;
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chars = liste.stream()
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.flatMapToInt(s -> s.chars())
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.filter(Character::isLowerCase)
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.count();
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return chars;
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}
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}
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