tutorials.md in h3-3.4.4

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 # Tutorials
 
 This page lists further learning materials and code walkthroughs for the H3 library and bindings. Contributions to this list are welcome, please feel free to open a [pull request](https://github.com/uber/h3/tree/master/docs/community/tutorials.md).
 
+## Java
+
+- [H3 Measurements](https://github.com/isaacbrodsky/h3measurements): Measurements of average cell area, average cell perimeter length, truncation error, and so on.
+
 ## JavaScript
 
 - [H3 Tutorials on Observable](https://beta.observablehq.com/collection/@nrabinowitz/h3-tutorial)
 
 ## Python