Some Trials & a lot of Errors
I tried a bunch of framework and other language and I usually feel overwhelm when its time to do something real with what I've learned. So that why I created this site, to write my progress and help some noob like me that stumble into the sames problems.
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java.util.Map

Why does Map.of not allow null keys and values?

By Chris on March 2, 2021

Once upon a time an engineer with years of experience encounter something so basic he doesn’t understand why he didn’t encounter it sooner. This week we had a strange error in our log stating that should have a null values in a map. After some digging in the service where that log was found, it […]

Posted in java | Tagged java, java.util.Map, maps, null | Leave a response

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