Discussions

The main problem that I see is in your 'getDigit' method. You have it receiving an image and a single-digit int value. The method sets the image to a new image, which removes any image you previously gave it, and then the method is exited, which loses the image change altogether. I do not think you realize that the image received by the method becomes local to the method and no longer is linked in any way to the image created by the calling method (the field itself is not passed to the method, just its value). Therefore, you will need to pass the new image back to the calli

I found this on a stackoverflow thread. Map is an interface. Create an instance of one the classes that implements it: Map<String, String> temp = new HashMap<String, String>(); temp.put(colName, data); Or, in Java 7: Map<String, String> temp = new HashMap<>(); temp.put(colName, data);

Try inserting before the

But you should always start your game -- get the world set up, the variable declared, the graphics set, etc. Have you started looking through any of the "scrolling world" scenarios? There are some good ones.