What if null was an Object in Java?

1. NullAway

   1 22 3,721 9.1 Java

   A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

   

   Fortunately, Uber made tooling for languages with broken type systems

   * https://github.com/uber/NullAway

   * https://github.com/uber-go/nilaway

2. InfluxDB

   influxdata.com featured

   InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.

   

3. Checker Framework

   2 12 1,065 9.6 Java

   Pluggable type-checking for Java

   

   I’m not familiar enough with kotlin to comment fully but from your description the checker framework [0] appears to do the same thing in Java.

   I confess I’m not fond of checker framework. I find the error messages can be obtuse but it is very effective.

   0 - https://checkerframework.org/

4. compiler-explorer

   3 215 17,285 9.8 TypeScript

   Run compilers interactively from your web browser and interact with the assembly

   

   At least on android arm64, looks like a `dmb ishst` is emitted after the constructor, which allows future loads to not need an explicit barrier. Removing `final` from the field causes that barrier to not be emitted.

   https://godbolt.org/#g:!((g:!((g:!((h:codeEditor,i:(filename...

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