EasyXLS

How to add formulas in cells in Java

EasyXLS Excel library can be used to export Excel files in Java. The library works with any Java SE application and without MS Excel installed.

Step 1: Download and install EasyXLS Excel Library for Java

To download the trial version of EasyXLS Excel Library, press the below button:

Download EasyXLS™ Excel Library for Java

If you already own a license key, you may login and download EasyXLS from your account.

Step 2: Create a Java project

If don't have a project already, create a new Java project.

Step 3: Include EasyXLS library into project

EasyXLS.jar must be added to external libraries into your project for Eclipse or to your application CLASSPATH. EasyXLS.jar can be found after installing EasyXLS, in "Lib" folder.

Add EasyXLS library to CLASSPATH

Step 4: Run Java code that adds formula to Excel cell

Execute the following Java code that exports an Excel file with formulas.

package testexceljava;

import EasyXLS.*;

/* ------------------------------------------------------------
 | Tutorial 11
 | 
 | This tutorial shows how to create an Excel file in Java that
 | has a cell that contains SUM formula for a range of cells.
 * --------------------------------------------------------- */

public class Tutorial11 {

    public static void main(String[] args) {
        try {
            System.out.println("Tutorial 11");
            System.out.println("----------");

            // Create an instance of the class that exports Excel files
            ExcelDocument workbook = new ExcelDocument();

            // Create a sheet
            workbook.easy_addWorksheet("Formula");

            // Get the table of data for the sheet, add data in sheet and the formula
            ExcelTable xlsTable = ((ExcelWorksheet)workbook.easy_getSheet("Formula")).easy_getExcelTable();
            xlsTable.easy_getCell("A1").setValue("1");
            xlsTable.easy_getCell("A2").setValue("2");
            xlsTable.easy_getCell("A3").setValue("3");
            xlsTable.easy_getCell("A4").setValue("4");
            xlsTable.easy_getCell("A6").setValue("=SUM(A1:A4)");

            // Export Excel file
            System.out.println("Writing file: C:\\Samples\\Tutorial11 - formulas in Excel.xlsx");
            workbook.easy_WriteXLSXFile("C:\\Samples\\Tutorial11 - formulas in Excel.xlsx");

            // Confirm export of Excel file
            if (workbook.easy_getError().equals(""))
                System.out.println("File successfully created.");
            else
                System.out.println("Error encountered: " + workbook.easy_getError());

            // Dispose memory
            workbook.Dispose();
        }
        catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

EasyXLS Excel libraries:

Java
Excel Library for Java
full Java version to import, export or convert Excel files
Excel Writer for Java
Java version to create and export Excel files
Download EasyXLS™ Excel Library for Java

File formats:

MS Excel 97 - 2003
MS Excel 2007 - 2010
MS Excel 2013
MS Excel 2016
MS Excel 2019
XLSXXLSMXLSBXLS
XMLHTMLCSVTXT