First thing first, don't double post. You have asked this question and John has already answered it here
How To Open Text File[
^]
Second, It looks like you want a complete guidance in making this application. We don't provide that. Read a basic tutorial in programming first and ask when you get stuck on something.
Third, in case you don't understand what I'm trying to say, Here's in Indonesian :
Apa ini tugas kuliah? Kalo iya saya yakin minta tolong teman lebih efisien (Cukup traktir makan & nyediain snack)
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