Option is a takeoff of the Null Object pattern. Option(null).map(str => str + "!... | Hacker News

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		mark242 on Jan 28, 2017 \| parent \| context \| favorite \| on: Java Without If Option is a takeoff of the Null Object pattern. Option(null).map(str => str + "!").foreach(str => println(str)) is a noop.

agolliver on Jan 28, 2017 | [–]

Yeah, the Null Object Pattern is just optionals except you have to re-implement it each you need optional semantics.

specialist on Jan 28, 2017 | [–]

No. They're opposites.

"...an object which implements the expected interface, but whose method body is empty. "

https://en.wikipedia.org/wiki/Null_Object_pattern

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