Using rust jni to call an external rust library in java

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In this video we setup rust JNI to call a rust function from java using JNI. Java native interface is a great way to enable quick calls to native code built in other languages like Rust. This approach can be used for other languages as well.

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Outro music: Sanaas Scylla

#java #rust #jni
  1. Daniel Persson (Kalaspuffar)
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Комментарии
Автор

yup, definitely interesting. I'm a Java junior but was interested in accessing native functions. What surprised me a bit is what I think was the "prep" work in Rust needed to make the conversion between types in Rust and Java.

adicide
Автор

how much do you improve your performance?
Which Use Cases can you say about use Rust inside of Java Solution.
Where Rust can show its contribution?
Tks, great video!

RobertoGPuentesDiaz
Автор

Nice video! I’m currently working on a project using JNI rust. Do you have any tips on debugging end to end? It’s really hard to debug because you can’t just set breakpoints in the rust lib and have them work when Java calls rust. Or is there a way to “stub” out the Java side so that it’s easier to debug?

edcoronado