Type Mapping Signature

Java Type Native Type JNI Name Signature
int long jint I
long int64_t jlong L
byte int8_t jbyte B
boolean int8_t jboolean Z
char uint16_t jchar C
short short jshort S
float float jfloat F
double double jdouble D
void void void V
Object _jobject* jobject  
String   jstring Ljava/lang/String;
Array     [Signature
char[]     [C
int[]     [I
String[]     [Ljava/lang/String;