Hi, I am doing this homework where I am suppose to read a .txt file fill with int number into a double array. After which I had to write this double array into another .txt file.
At first I though everything was working as I was able to read the file and display it out as an image, and then save it into a .txt file as double. However when I tried to use the same class file for another lesson (display it in frame I created), I keep getting...