Java Utililty Methods Stream of

List of utility methods to do Stream of

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Description

The list of methods to do Stream of are organized into topic(s).

Method

StreamstreamOrEmpty(Iterable iterable)
stream Or Empty 
return iterable != null ? StreamSupport.stream(iterable.spliterator(), false) : Stream.empty();
StreamstreamScanner(Scanner scanner)
stream Scanner 
return StreamSupport
        .stream(Spliterators.spliteratorUnknownSize(scanner, Spliterator.ORDERED | Spliterator.NONNULL),
                false)
        .onClose(scanner::close);
ArrayListstreamToList(Stream stream)
stream To List 
return (ArrayList<T>) stream.collect(Collectors.toList());
StreamtoParallelStream(Iterator iter)
to Parallel Stream 
Spliterator<T> spliter = Spliterators.spliteratorUnknownSize(iter, Spliterator.NONNULL);
return StreamSupport.stream(spliter, true);
StreamtoStream(Collection collection)
to Stream 
if (collection == null) {
    return Stream.empty();
} else {
    return collection.stream();
StreamtoStream(Enumeration e)
Transform an Enumeration to a Stream 
return StreamSupport.stream(Spliterators.spliteratorUnknownSize(new Iterator<T>() {
    public T next() {
        return e.nextElement();
    public boolean hasNext() {
        return e.hasMoreElements();
}, Spliterator.ORDERED), false);
...
StreamtoStream(final Iterable iterable)
to Stream 
return toList(iterable).stream();
StreamtoStream(final Iterable iterable)
to Stream 
return toStream(iterable.iterator());
StreamtoStream(final T source)
to Stream 
return Stream.of(source);
StreamtoStream(Iterable iterable)
Converts an iterable into a stream. 
return StreamSupport.stream(iterable.spliterator(), false);