1JNIEXPORT void JNICALL Java_ClassName_MethodName(JNIEnv *env, jobject obj, jstring javaString)   
2{
3   const char *nativeString = env->GetStringUTFChars(javaString, 0);
4
5   // use your string
6
7   env->ReleaseStringUTFChars(javaString, nativeString);
8}