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You should simplify your problem to solve it. Just use a simple text file and a very simple Java program that reads in the text file into say a collection of Strings. If and when that works, move to...

I mean using printStackTrace method of Exception:



}catch(Exception e){
e.printStackTrace();
}

Your catch block does not post informative information. If you instead print a stacktrace, what errors do you see? Also, are you sure that you want to use files? You might consider using resources...