Java is one of the most commonly used programming languages that we have not yet discussed in our Rust Interop Guide. In this article, we will discuss three different methods to call Rust code from Java: JNI, JNR-FFI and Project Panama. We will show the differences between these methods and we will do some basic benchmarking to compare their performance. These methods not only work for Java but also for other JVM languages like Kotlin. Here we will mainly focus on Java, but Kotlin examples ar...

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