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Asked: 2026-05-16T22:49:57+00:00

hi all is it possible to declare to native methods in java so that

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hi all is it possible to declare to native methods in java so that one method is defined in c and other method is defined in c++.m getting confusion in it . please help me in this.

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  1. Editorial Team

    Yes. As long as the interface uses the standard C calling convention, Java doesn’t really care in which language it’s implemented. That means you have to surround the declarations in an extern "C" block if you happen to be writing C++:

    #include <jni.h>
#ifdef __cplusplus
extern "C" {
JNIEXPORT jstring MyNativeMethod(JNIEnv *, jobject);
}
#endif

    It’s up to you whether to implement MyNativeMethod in C, C++ or any other language.

    Of course, this is already done for you in the header file generated by javah, extern "C" and all.

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