This article explains how to call C libraries like fopen, fgets, and fclose from Java.Introduction Before the release of Java 22, the usual way to call foreign functions was with the Java Native Interface (JNI). Anyone who has used (or tried to use) JNI would agree that it was very easy to shoot yourself in the foot and accidentally shoot someone else in the foot while the first shooting was still happening. I’m not going to dive into how easy it is to mess up, but I will say this: To use JNI, y...