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

Streamstream(Object values)
stream 
if (values == null)
    return Stream.empty();
if (values instanceof Collection)
    return ((Collection) values).stream();
if (values instanceof Object[])
    return Stream.of(((Object[]) values));
if (values instanceof Iterable) {
    Spliterator<Object> spliterator = ((Iterable) values).spliterator();
...
booleanstreamEquals(Stream a, Stream b)
stream Equals 
if (a == null && b == null) {
    return true;
if (a == null || b == null) {
    return false;
final Iterator<T> iterA = a.iterator();
final Iterator<T> iterB = b.iterator();
...
IntStreamstreamInt(int max)
stream Int 
return streamInt(0, 1, max);
StreamstreamOf(final Iterable iterable)
Wrap an iterable in a stream 
return streamOf(iterable.iterator());
StreamstreamOf(Iterable it)
stream Of 
return StreamSupport.stream(it.spliterator(), false);
StreamstreamOf(Iterable iterable)
stream Of 
return StreamSupport.stream(iterable.spliterator(), false);
Streamstreamof(Iterable vals)
streamof 
return streamof(vals, false);
StreamstreamOf(T value)
Stream or value or empty stream if value is null. 
return Optional.ofNullable(value).map(Stream::of).orElseGet(Stream::empty);
StreamstreamOfEnumeration(Enumeration e, boolean parallel)
convert Enumeration to the Stream 
return StreamSupport.stream(Spliterators.spliteratorUnknownSize(new Iterator<E>() {
    public E next() {
        return e.nextElement();
    public boolean hasNext() {
        return e.hasMoreElements();
}, Spliterator.ORDERED), parallel);
...
StreamstreamOfOptional(Optional element)
stream Of Optional 
return Stream.of(element.orElse(null)).filter(e -> e != null);