How to make bank management system using java file system

Hi, I have some fields
1.ID
2. Deposite
3. Withdraw
4. Balance
Now how can i manage this Bank Management System using java file system.
Thanks in advance.

Then we're back to (1): Do your own homework. Google has zillions of links on handling files in Java. When you have written some code and have an actual problem, we'll be happy to help you with it.
(edit) Incidentally, this sounds suspiciously like the sort of problem they set for the certification programs. In which case, don't bother; they're not worth the virtual paper they're printed on.

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but i wan e program to work wit 2 file, not all e 2 file codes put together in a file. I wonder if can call e code from the recordmenu file when i execute the expenseTracker file. I not sure i explain this way u will understand?
When the record menu 'ok' is clicked there will b a JOptionpane tat will pop out saying
'Total amt to b tracked on a weekly basis is (amt entered in textfield)"
if e checkbox is selected weekly, the output will be like e above
otherwise it will display 'Total amt to b tracked on a monthly basis is (amt entered in textfield)".
ya e textfield input must be numbers.

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How to make bank management system using java file system

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