| Package | Description |
|---|---|
| java.util | |
| java.util.function |
Functional interfaces provide target types for lambda expressions
and method references.
|
| java.util.stream |
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.
|
| Modifier and Type | Method and Description |
|---|---|
default void |
List.replaceAll(UnaryOperator<E> operator)
Replaces each element of this list with the result of applying the
operator to that element.
|
| Modifier and Type | Method and Description |
|---|---|
static <T> UnaryOperator<T> |
UnaryOperator.identity()
Returns a unary operator that always returns its input argument.
|
| Modifier and Type | Method and Description |
|---|---|
static <T> Stream<T> |
Stream.iterate(T seed,
UnaryOperator<T> f)
Returns an infinite sequential ordered
Stream 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. |
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