C language knowledge commonly used by JNI

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; ...

Posted by davidp on Thu, 23 Sep 2021 06:30:30 -0700