What are the best practices for using JNI in Java?
Some best practices for using JNI include minimizing JNI calls, using native methods sparingly, and ensuring proper memory management.
Can you explain why minimizing JNI calls is important?
Minimizing JNI calls is crucial because each call incurs overhead, which can significantly impact performance, especially in tight loops.
What about memory management? How should I handle it?
You should always release any allocated memory in native code to prevent memory leaks. Use DeleteLocalRef
and DeleteGlobalRef
appropriately.
Are there any tools to help with JNI debugging?
Yes, tools like Valgrind and the Java Native Interface Debugger can help you identify memory issues and debug JNI code.
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