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# announcements
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michaelzinn
12/08/2017, 10:27 AMFor those who are stuck with a Java project that you can’t port to Kotlin I backported Kotlin’s null safety to Java (meta-annotation, ?. and ?:) : https://github.com/cosee/null4j
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diego-gomez-olvera
12/08/2017, 10:47 AMThere is a
javax.annotation.ParametersAreNonnullByDefaultthe difference is that
@NotNullByDefaultm
michaelzinn
12/08/2017, 10:50 AMNotNullByDefault applies to everything, yes.
We experimented with having it not apply to local variables etc. but it was too confusing. Having it apply to everything means it’s just like Kotlin: “String” really means String and “@Nullable String” means String or null, no matter where “String” is actually written.
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