Interface Optional<T>

Java Optional type.

Type Parameters

  • T

Hierarchy

  • Optional

Methods

get isEmpty isPresent

Methods

get

  • Returns

    the wrapped object. May throw an Exception in case [isPresent] would return false.

    Returns T

isEmpty

  • Returns

    true if the optional does not contain a value, false otherwise.

    Returns boolean

isPresent

  • Returns

    true if the optional contains a value, false otherwise.

    Returns boolean

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