Example usage for Java java.util.stream LongStream fields, constructors, methods, implement or subclass
The text is from its open source code.
boolean | allMatch(LongPredicate predicate) Returns whether all elements of this stream match the provided predicate. |
boolean | anyMatch(LongPredicate predicate) Returns whether any elements of this stream match the provided predicate. |
DoubleStream | asDoubleStream() Returns a DoubleStream consisting of the elements of this stream, converted to double . |
OptionalDouble | average() Returns an OptionalDouble describing the arithmetic mean of elements of this stream, or an empty optional if this stream is empty. |
Stream | boxed() Returns a Stream consisting of the elements of this stream, each boxed to a Long . |
Builder | builder() Returns a builder for a LongStream . |
R | collect(Supplier Performs a mutable reduction operation on the elements of this stream. |
long | count() Returns the count of elements in this stream. |
LongStream | distinct() Returns a stream consisting of the distinct elements of this stream. |
LongStream | empty() Returns an empty sequential LongStream . |
LongStream | filter(LongPredicate predicate) Returns a stream consisting of the elements of this stream that match the given predicate. |
OptionalLong | findAny() Returns an OptionalLong describing some element of the stream, or an empty OptionalLong if the stream is empty. |
OptionalLong | findFirst() Returns an OptionalLong describing the first element of this stream, or an empty OptionalLong if the stream is empty. |
LongStream | flatMap(LongFunction extends LongStream> mapper) Returns a stream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mapping function to each element. |
void | forEach(LongConsumer action) Performs an action for each element of this stream. |
LongStream | generate(LongSupplier s) Returns an infinite sequential unordered stream where each element is generated by the provided LongSupplier . |
LongStream | iterate(final long seed, final LongUnaryOperator f) Returns an infinite sequential ordered LongStream produced by iterative application of a function f to an initial element seed , producing a Stream consisting of seed , f(seed) , f(f(seed)) , etc. |
PrimitiveIterator.OfLong | iterator() |
LongStream | limit(long maxSize) Returns a stream consisting of the elements of this stream, truncated to be no longer than maxSize in length. |
LongStream | map(LongUnaryOperator mapper) Returns a stream consisting of the results of applying the given function to the elements of this stream. |
DoubleStream | mapToDouble(LongToDoubleFunction mapper) Returns a DoubleStream consisting of the results of applying the given function to the elements of this stream. |
IntStream | mapToInt(LongToIntFunction mapper) Returns an IntStream consisting of the results of applying the given function to the elements of this stream. |
OptionalLong | max() Returns an OptionalLong describing the maximum element of this stream, or an empty optional if this stream is empty. |
OptionalLong | min() Returns an OptionalLong describing the minimum element of this stream, or an empty optional if this stream is empty. |
boolean | noneMatch(LongPredicate predicate) Returns whether no elements of this stream match the provided predicate. |
LongStream | of(long t) Returns a sequential LongStream containing a single element. |
LongStream | of(long... values) Returns a sequential ordered stream whose elements are the specified values. |
LongStream | parallel() |
LongStream | range(long startInclusive, final long endExclusive) Returns a sequential ordered LongStream from startInclusive (inclusive) to endExclusive (exclusive) by an incremental step of 1 . |
LongStream | rangeClosed(long startInclusive, final long endInclusive) Returns a sequential ordered LongStream from startInclusive (inclusive) to endInclusive (inclusive) by an incremental step of 1 . |
long | reduce(long identity, LongBinaryOperator op) Performs a reduction on the elements of this stream, using the provided identity value and an associative accumulation function, and returns the reduced value. |
OptionalLong | reduce(LongBinaryOperator op) Performs a reduction on the elements of this stream, using an associative accumulation function, and returns an OptionalLong describing the reduced value, if any. |
LongStream | sequential() |
LongStream | skip(long n) Returns a stream consisting of the remaining elements of this stream after discarding the first n elements of the stream. |
LongStream | sorted() Returns a stream consisting of the elements of this stream in sorted order. |
Spliterator.OfLong | spliterator() |
long | sum() Returns the sum of elements in this stream. |
LongSummaryStatistics | summaryStatistics() Returns a LongSummaryStatistics describing various summary data about the elements of this stream. |
long[] | toArray() Returns an array containing the elements of this stream. |