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Your Methods and Fields are static. Static XPosition, YPosition mean that there is only 1 for the whole class. You are drawing both squares, but the second square you draw is overlaying the first...

getters and setters are what they are usually called. Instead of using a constructor, you have a setMethod() and a getMethod(). At least that is one way. squareRed.setXposition(64), or...

That is a lot of classes. Usually you wouldn't want that many classes that didn't do too much, I'm not sure if it is an assignment where you are supposed to have that many classes or not, but it can...