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Modify java code

Modify the open source POS code for my needs:

[url removed, login to view]

 I have been using the program but now I need basic modifications done. I am going to be using the program on windows machine. I will give more details once we agree on price

I am using the openbravo POS with XAMPP (mysql database). I have one computer with the database, another user computer that is accessing the database.
I recorded a video and attached it below.

I am having this issue..Here are the steps:
On the 1st computer I add food items to table6. Then I go to computer2, I refresh, the items are not there. When I come back to computer1 and look in table6 the item I added is gone. 

You as a developer:
-either fix the issue.
-or modify the code so that if one user goes into a table, others cannot open the same table for modification. This would be a work around.

code is here:
https://sourceforge.net/projects/openbravopos/


UPDATE:
I am waiting your response to award the project to you!
The developer, who fixed the issue or who implemented the work-around... just sent me the screen shots of the solution and I will award it.

Skills: Java, Software Architecture

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About the Employer:
( 0 reviews ) United States

Project ID: #12234045

24 freelancers are bidding on average $161 for this job

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