compact1, compact2, compact3
java.util.function

## Interface BiConsumer<T,U>

- Type Parameters:
    `T` - the type of the first argument to the operation
    `U` - the type of the second argument to the operation
  Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

      @FunctionalInterface
      public interface BiConsumer<T,U>

  Represents an operation that accepts two input arguments and returns no result. This is the two-arity specialization of `Consumer`. Unlike most other functional interfaces, `BiConsumer` is expected to operate via side-effects.

  This is a functional interface whose functional method is `accept(Object, Object)`.

  Since:
    1.8
  See Also:
    `Consumer`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods Default Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `accept(T t, U u)` Performs this operation on the given arguments.
    `default BiConsumer<T,U>` | `andThen(BiConsumer<? super T,? super U> after)` Returns a composed `BiConsumer` that performs, in sequence, this operation followed by the `after` operation.

- - ### Method Detail

    - #### accept

          void accept(T t,
                      U u)

      Performs this operation on the given arguments.
      Parameters:
        `t` - the first input argument
        `u` - the second input argument

    - #### andThen

          default BiConsumer<T,U> andThen(BiConsumer<? super T,? super U> after)

      Returns a composed `BiConsumer` 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 `BiConsumer` that performs in sequence this operation followed by the `after` operation
      Throws:
        `NullPointerException` - if `after` is null

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