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Maybe you need to allocate the array to start with.
Maybe you need to allocate the array to start with. This means creating the array object with enough length NewLongArray(), using SetLongArrayRegion() to fill the array object, then using SetObjectField() to set the new array instance into java object (disarding the old one). You can test this theory out quickly by ensuring in Java you allocate a big enough array before calling your JNI to fill it.Int SIZE = 1000; // make this big enough J j = new J(); j.
Nls = new longSIZE; j. Lane = new longSIZESIZE; // something like this multi-dimention array j. T = new longSIZE; int I = callMyJniMethod(j); Now try your GetField, SetLongArrayRegion ideas.
Making sure that num_states is Ideas on this: Keep your current design, but have JNI allocate the array. Create a new Java object "AA" and have JNI instate one for each C++ "aa" and fill it in, and then attach an array of BB (aka J) to the J object. J.
Aa = new AAnum_states; FWIW you are trying to copy the data between C++/Java (not map, as use of term map implies some kind of sharing, updating one will not update the other unless you re-copy) FWIW "long" in C/C++ maybe 32bit on your platform, but "long" on Java is always 64bit.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.