Programmer Group

Local and global references in JNI In the previous article, I introduced creating object arrays in JNI. This article is the eleventh in the JNI series. It introduces how to call Java methods and static methods in Native code in JNI. The outline of the series is as follows: Introduction to JNIJNI basic typeJNI StringJNI arrayJNI instance vari ...

reference: JNI learning notes - local and global references          JNI exposes the class instances and array types of the Java layer as opaque references. The code of the native layer will access this opaque reference through the functions provided by JNI. There are different kinds of references in JN ...

1, Pointers and arrays 1. Ordinary pointer The pointer is the memory address where the variable is stored. It has a type, and the address has no type. int main(int argc, char const* argv[]) { //Define variables int i = 90; //Define pointer p and take address character for variable i int *p = &i; float fi = 0.8f; ...