Finding the Last Row in an Excel Spreadsheet From Java

Finding the Last Row in an Excel Spreadsheet From Java

If you’re working with large amounts of data in Excel, it can be tough to figure out which row is the very last one. Luckily, there is a simple way to do this from Java. This method utilizes the Apache POI library and its HSSF or XSSF classes to find the last row of an Excel spreadsheet.

Setting Up Your Environment

Before you can start finding the last row of your Excel spreadsheet, you’ll need to set up your environment. Make sure that you have the latest version of the Apache POI library installed. You’ll also need the JDK and the appropriate versions for your code.

Reading the Workbook

Once your environment is set up, you’ll need to read the workbook. This can be done by creating a FileInputStream pointing to the path of your Excel file. Once the FileInputStream has been created, you can then create a Workbook object to read the data.

Finding the Last Row

The next step is to find the last row using the Workbook class. This can be done using the getLastRowNum() method which will return the index of the last row. The index is typically 0-based, so if you want to get the last row, you’ll need to add 1 to the index.

Conclusion

Finding the last row in an Excel spreadsheet from Java is a simple task once you’ve set up your environment. By utilizing the Apache POI library and its HSSF or XSSF classes, you can easily read the data from your spreadsheet and find the last row as well.