Which of the Following Statements Related to the Optional Type

question 27

Multiple Choice

Which of the following statements related to the Optional type is NOT correct?

• A)The Optional.orElse method obtains the value of an Optional or, if no value is present, the value given by its parameter.
• B)The findFirst method on a stream returns an Optional describing the first element of this stream, or an empty Optional if the stream is empty.
• C)The Optional.of method creates a stream of Optional objects provided as an explicit parameter.
• D)The Optional class is a wrapper for objects that may or may not be present, which is typically used in results for stream processing.

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Definitions:

2-Chlorobutane

An organic compound consisting of a four-carbon chain (butane) with a chlorine atom substituted at the second carbon.

NaCN

Sodium cyanide is a chemical compound used in various industrial processes, including gold mining and organic synthesis.

Alkyl Halides

Organic compounds in which a halogen (F, Cl, Br, I) is bonded to an alkyl group.

Major Organic Product

The primary product formed in the highest amount from an organic chemical reaction.