> and where we just do this "".equals(value) without testing for null
> i will not rewrite those by first testing null to be able to call for
> length.

This is wrong, we never said so. Just meant switching from
[nullability-check] && !"".equals(value) to [nullability-check] &&
value.length() != 0... ONLY THOSE DUETS!

Re-read it, you will see.

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