OpenJDK 8
OpenJDK 8
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Stream.Builder

Interface Stream.Builder<T>

Type Parameters:
T - the type of stream elements
All Superinterfaces:
Consumer<T>
Enclosing interface:
Stream<T>
public static interface Stream.Builder<T>
extends Consumer<T>

A mutable builder for a Stream. This allows the creation of a Stream by generating elements individually and adding them to the Builder (without the copying overhead that comes from using an ArrayList as a temporary buffer.)

A stream builder has a lifecycle, which starts in a building phase, during which elements can be added, and then transitions to a built phase, after which elements may not be added. The built phase beg