• Method Summary

    empty()

    Returns an empty OptionalDouble instance.

    boolean

    Indicates whether some other object is "equal to" this OptionalDouble.

    double

    If a value is present, returns the value, otherwise throws NoSuchElementException.

    int

    hashCode()

    Returns the hash code of the value, if present, otherwise 0 (zero) if no value is present.

    void

    If a value is present, performs the given action with the value, otherwise does nothing.

    void

    If a value is present, performs the given action with the value, otherwise performs the given empty-based action.

    boolean

    isEmpty()

    If a value is not present, returns true, otherwise false.

    boolean

    isPresent()

    If a value is present, returns true, otherwise false.

    of(double value)

    Returns an OptionalDouble describing the given value.

    double

    orElse(double other)

    If a value is present, returns the value, otherwise returns other.

    double

    If a value is present, returns the value, otherwise returns the result produced by the supplying function.

    double

    If a value is present, returns the value, otherwise throws NoSuchElementException.

    orElseThrow(Supplier<? extends X> exceptionSupplier)

    If a value is present, returns the value, otherwise throws an exception produced by the exception supplying function.

    stream()

    If a value is present, returns a sequential DoubleStream containing only that value, otherwise returns an empty DoubleStream.

    toString()

    Returns a non-empty string representation of this OptionalDouble suitable for debugging.

    Methods declared in class Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    Creates and returns a copy of this object.

    protected void

    Deprecated, for removal: This API element is subject to removal in a future version.

    Returns the runtime class of this Object.

    final void

    Wakes up a single thread that is waiting on this object's monitor.

    final void

    Wakes up all threads that are waiting on this object's monitor.

    final void

    Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

    final void

    wait(long timeoutMillis)

    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

    final void

    wait(long timeoutMillis, int nanos)

    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

  • Method Details

    • empty

    • of

    • getAsDouble

    • isPresent

    • isEmpty

    • ifPresent

    • ifPresentOrElse

    • stream

    • orElse

    • orElseGet

    • orElseThrow

    • orElseThrow

    • equals

    • hashCode

    • toString