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eclipse-collectionsを用いたzipWith
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| import org.eclipse.collections.impl.factory.Lists; | |
| import java.util.List; | |
| import java.util.function.BiFunction; | |
| import java.util.stream.Collectors; | |
| /** | |
| * @author skht777 | |
| */ | |
| public class ECZipWith { | |
| public static <T, S, U> ImmutableList<U> zipWith(BiFunction<T, S, U> f, List<T> l1, List<S> l2) { | |
| return Lists.immutable.ofAll(l1).zip(l2).collect(p -> f.apply(p.getOne(), p.getTwo())); | |
| } | |
| public static String StrZipWith(BiFunction<String, String, String> f, String s1, String s2) { | |
| return Lists.immutable.ofAll(zipWith(f, strToList(s1), strToList(s2))).makeString(""); | |
| } | |
| private static List<String> strToList(String s) { | |
| return s.chars().mapToObj(c -> (char) c).map(String::valueOf).collect(Collectors.toList()); | |
| } | |
| public static void main(String[] args) { | |
| final String pt = "パトカー"; | |
| final String tx = "タクシー"; | |
| System.out.println(StrZipWith(((p, t) -> p + t), pt, tx)); | |
| } | |
| } |
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