List<String> list = new ArrayList();
list.add("Washington");
list.add("Nevada");
list.add("California");
list.add("New York");
list.add("New Jersey");
// <String> long org.apache.commons.collections4.IterableUtils.countMatches(Iterable<String> input, Predicate<? super String> predicate)
System.out.println(IterableUtils.countMatches(list, p->((String)p).startsWith("N")));
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public static IntStream concat(IntStream a, IntStream b) {
Objects.requireNonNull(a);
Objects.requireNonNull(b);
Spliterator.OfInt split = new Streams.ConcatSpliterator.OfInt(
a.spliterator(), b.spliterator());
IntStream stream = StreamSupport.intStream(split, a.isParallel() || b.isParallel());
return stream.onClose(Streams.composedClose(a, b));
}
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