DoubleConsumer

  • DoubleConsumer is a functional interface representing an operation that accepts a single double and returns no result, primarily designed for side-effects.

  • It is a specialization of the Consumer interface for primitive double values.

  • Key methods include accept(double) to perform the operation and andThen(DoubleConsumer) to chain multiple operations sequentially.

  • DoubleStream.Builder and DoubleSummaryStatistics are known indirect subclasses of DoubleConsumer.
public interface DoubleConsumer
Known Indirect Subclasses

Represents an operation that accepts a single double-valued argument and returns no result. This is the primitive type specialization of Consumer for double. Unlike most other functional interfaces, DoubleConsumer is expected to operate via side-effects.

This is a functional interface whose functional method is accept(double).

See Also

Public Method Summary

abstract void
accept(double value)
Performs this operation on the given argument.
DoubleConsumer
andThen(DoubleConsumer after)
Returns a composed DoubleConsumer that performs, in sequence, this operation followed by the after operation.

Public Methods

public abstract void accept (double value)

Performs this operation on the given argument.

Parameters
value the input argument

public DoubleConsumer andThen (DoubleConsumer after)

Returns a composed DoubleConsumer that performs, in sequence, this operation followed by the after operation. If performing either operation throws an exception, it is relayed to the caller of the composed operation. If performing this operation throws an exception, the after operation will not be performed.

Parameters
after the operation to perform after this operation
Returns
  • a composed DoubleConsumer that performs in sequence this operation followed by the after operation
Throws
NullPointerException if after is null