XLSX (created by Microsoft Office 2007 onwards e.g. XLS (produced by Microsoft Officer version prior to 2007 e.g. As I said, Excel files has two popular format. In this article, we will learn how to read and write excel files in Java. You can find lot of examples of how to do with Excel using Apache POI online, which means you will never feel alone and has instant Google support if you stuck there.
It is widely used, has strong community support and it is feature rich. Fortunately there are couple of open source library exists to read and write Microsoft Office XLS and XLSX file format, Apache POI is the best one. Since JDK doesn't provide direct API to read and write Microsoft Excel and Word document, you have to rely on third party library to do your job. If you are using JSP Servlet, display tag library automatically provides Excel, Word and PDF support.
What this mean to a Java application developer? Because of huge popularity of MS office products you often need to support Microsoft office format such as word, Excel, PowerPoint and additionally Adobe PDF. Other alternatives like OpenOffice and LiberOffice have failed to take off to challenge MS Office. No matter how Microsoft is doing in comparison with Google, Microsoft Office is still the most used application in software world.
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