Dear Student, how to avoid null verifications in Java

It is good programming practice, avoid null checking of a value, instead of using if (someObject! = Null), you can use Optional, it can be used as follows: Optional oR = Optional.of (Optional.ofNullable (yourOriginalInstanceToUse) .orElse (YourInsta...

andresdavidpastorini.hashnode.dev1 min read

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Shai Almog

Yak Barber, duck whisperer, hunter of bugs, feeder of dogs, heap climber, stack explorer and rider of shells

Nov 9, 2021

That's an option ;-)

Notice that optional isn't "free" and carries an overhead on top of null .

It's not a big deal but personally I like null .

AP

Andres Pastorini

Dear Student

Nov 9, 2021

Shai, You are right, it is true what you say, and thanks for share it.

I think if the performance is not important, Optional could be a good way, helping to reduce the size of the code and a interesting design pattern to improve the maintainability.

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Dear Student, how to avoid null verifications in Java

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