In Java, if I try to do.equals() on a null string, a null pointer error is issued. I’m wondering whether I can perform the following if I’m attempting to compare if a string is equal to a constant string: MY CONSTANT STRING.equals(aStringVariable) I’m sure it’ll work, but is this simply extremely …

I think that it is important to discuss with your team how the majority feels about this kind of situation and create a guideline for the project. Anyway, I personally prefer to use Enums instead of this kind of constant.

Hi @sona11 , If you are using Java8 (or ablove) you can use Optional - for example: boolean eq = Optional.ofNullable(aStringVariable) .map(s -> s.equals(MY_CONSTANT_STRING)) .orElse(false); And when the aStringValue is null there will no NullPointerException I hope I under…

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Java equals() selection

Backend Developer Forum Backend Questions/Help

sona11 20 January 2023 06:29 5

Thanks you and yes it does help.