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Showing content from https://docs.pmd-code.org/apidocs/pmd-core/7.0.0-rc2/net/sourceforge/pmd/util/IteratorUtil.html below:

IteratorUtil (PMD Core 7.0.0-rc2 API)

• • Nested Class Summary
  • Method Summary All Methods Static Methods Concrete Methods  Modifier and Type Method Description static void advance​(Iterator<?> iterator, int n)

    Advance n times.

    static <T> boolean allMatch​(Iterator<? extends T> iterator, Predicate<? super T> pred)

    Returns whether all elements match the predicate.

    static <T> boolean anyMatch​(Iterator<? extends T> iterator, Predicate<? super T> pred)

    Returns whether some element match the predicate.

    static <T> Iterable<T> asReversed​(List<T> lst)   static <T> Iterator<T> coerceWildcard​(Iterator<? extends T> it)

    Coerce an iterator with a wildcard.

    static <T> Iterator<T> concat​(Iterator<? extends T> as, Iterator<? extends T> bs)   static int count​(Iterator<?> it)

    Counts the items in this iterator, exhausting it.

    static <T> Iterator<T> distinct​(Iterator<? extends T> iter)   static <T> Iterator<T> drop​(Iterator<? extends T> source, int n)

    Produce an iterator whose first element is the nth element of the given source.

    static <T> Iterator<@NonNull T> dropLast​(Iterator<? extends @Nullable T> it, int n)

    Remove the last n elements of the iterator.

    static <T> Iterator<T> filter​(Iterator<? extends T> it, Predicate<? super T> filter)   static <T> Iterator<@NonNull T> filterNotNull​(Iterator<? extends T> it)   static <T,​R>
Iterator<R> flatMap​(Iterator<? extends T> iter, Function<? super T,​? extends @Nullable Iterator<? extends R>> f)   static <R> Iterator<R> flatMapWithSelf​(Iterator<? extends R> iter, Function<? super R,​? extends @Nullable Iterator<? extends R>> f)

    Like flatMap, but yields each element of the input iterator before yielding the results of the mapper function.

    static <T> Iterator<@NonNull T> generate​(@Nullable T seed, Function<? super @NonNull T,​? extends @Nullable T> stepper)

    Returns an iterator that applies a stepping function to the previous value yielded.

    static <T> @Nullable T getNth​(Iterator<? extends T> iterator, int n)

    Returns the nth element of this iterator, or null if the iterator is shorter.

    static <T> Iterator<T> iterate​(T... elements)   static <T> @Nullable T last​(Iterator<? extends T> iterator)   static <T,​R>
Iterator<R> map​(Iterator<? extends T> iter, Function<? super T,​? extends R> mapper)   static <T,​R>
Iterable<R> mapIterator​(Iterable<? extends T> iter, Function<? super Iterator<? extends T>,​? extends Iterator<R>> mapper)

    Apply a transform on the iterator of an iterable.

    static <T,​R>
Iterator<@NonNull R> mapNotNull​(Iterator<? extends T> it, Function<? super T,​? extends R> mapper)   static <T> boolean noneMatch​(Iterator<? extends T> iterator, Predicate<? super T> pred)

    Returns whether no elements match the predicate.

    static <T> Iterator<T> peek​(Iterator<? extends T> iter, Consumer<? super T> action)   static <T> Iterator<T> reverse​(Iterator<T> it)   static <T> Iterator<T> singletonIterator​(T value)   static <T> Iterator<T> take​(Iterator<? extends T> iterator, int n)

    Limit the number of elements yielded by this iterator to the given number.

    static <T> Iterator<T> takeWhile​(Iterator<T> iter, Predicate<? super T> predicate)   static <T> Iterable<T> toIterable​(Iterator<T> it)   static <T> List<T> toList​(Iterator<? extends T> it)   static <T> List<@NonNull T> toNonNullList​(Iterator<? extends @Nullable T> it)   static <T> Stream<T> toStream​(Iterator<? extends T> iter)  
    • Methods inherited from class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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