Check out example codes for "opensource java xlsx to tiff conversion". It will help you in understanding the concepts better.

Code Example 1

import com.spire.xls.Workbook;import com.spire.xls.Worksheet;public class ConvertWorksheetToTIFF {    public static void main(String[] args) {        //Create a Workbook instance        Workbook workbook = new Workbook();        //Create an instance of Workbook class        workbook.loadFromFile("Input.xlsx");        //Get the first worksheet        Worksheet sheet = workbook.getWorksheets().get(0);        //Save the worksheet to tiff         sheet.saveToTiff("SheetToTiff.tiff");    }}

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