How To Read / Write Excel Spreadsheet From Java

Overview

There are two good choices for reading & writing Microsoft Excel Spreadsheet files from Java, in a platform independent way, - jexcelapi and Jakarta POI (HSSF). Both of them provide nice interface to access Excel data structure and even generate new spreadsheet. I have done extensive tests with both of them for a high-profile project for a Fortune 500 company. Previously also I had successfully used HSSF for another high profile client. In the paragraphs below I present my conclusions and sample code for reading Excel spreadsheet from Java using both the libraries.
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How To Disable Windows Genuine Advantage Notification in 3 Simple Steps

Following three simple steps now you can get rid of the pesky and sometimes buggy Windows Genuine Advantage (WGA) notifications:
1. Reboot Windows in safe mode (hold the f8 key while booting and you will get the option to boot in safe mode) and then:
2. Open Registry Editor (regedit.exe) and search for wgalogon folder and delete it. You should backup up the registry beforehand, in case somethiong goes wrong.
3. In your windows directory search for files wga* and delete them.

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