Reading XLS and XLSX Files in Java

Learn how to read XLS and XLSX files in Java with examples and step-by-step instructions. Explore different libraries and methods to handle Excel files programmatically in Java.
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Excel files, both in the XLS and XLSX formats, are widely used for data storage and analysis. Java provides several libraries and methods to read these files, allowing developers to work with Excel data seamlessly. In this guide, we will explore how to read XLS and XLSX files in Java using different approaches, libraries, and examples.

Reading XLS Files (Excel 97-2003 Format)

Reading XLS files, the older Excel format, can be accomplished using the Apache POI library. Apache POI is a widely used Java library for reading and writing Microsoft Office file formats.

Using Apache POI to Read XLS Files

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Reading XLSX Files (Excel 2007 and later Format)

Reading XLSX files, the newer Excel format, can also be done using Apache POI. Here's an example of how to read XLSX files using Apache POI:

Using Apache POI to Read XLSX Files

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Conclusion

Reading XLS and XLSX files in Java is essential for various applications that involve data analysis and manipulation. Apache POI provides a reliable and efficient way to handle Excel files programmatically. By following the examples provided in this guide, you can easily read Excel files in Java and integrate this functionality into your projects.

Now that you've learned how to read XLS and XLSX files in Java, you can apply this knowledge to your own projects and leverage Excel data effectively.