The moderators don't usually approve of just supplying code, but this is an instance where it's just easer if i give you this... This will right a string "s" to a file with the name (again a string) "filename". if no such file exists, it will create one.
the following static method will then read the filename String f and return the contents as a String, which you can partition into the information you need.
Don't tell anyone i gave you a hand-out
I've heard it takes forever to grow a woman from the ground