This brief tutorial will teach you how to create data validation in Excel using Java. It provides resources to establish the environment, a list of steps to be followed to accomplish the task, and a runnable sample code to insert data validation in Excel using Java. You will get a description of the code and in the end, create an XLS or XLSX file having a validation rule in it.

Steps to Create Data Validation Rule in Excel using Java

1. Establish the environment to add Aspose.Cells for Java to insert validation
2. Create a new workbook and add a worksheet for adding reference data to it
3. Instantiate a range class object and set its name and desired list of values
4. Create a new validation in the validations collection of the target sheet and set its cell area
5. Set other properties of the validation
6. Save the workbook on the disk having validation in it

These steps explain the process of how to add data validation in Excel using Java. You have to create a workbook, create a worksheet in it to add list data, instantiate a range class object and set it in a newly created validation. In the end, set different properties of the validation and save the resultant workbook on the disk.

Code to Create a Data Validation List in Excel using Java

This code demonstrates how to insert data validation in Excel using Java. It uses a Range class object to set the range name and set of values that the validation object will use. Each worksheet contains a collection of validations where new validation is added along with the properties and effective cell area.

This tutorial has guided us on how to insert validation in Excel using Java. If you want to learn the process to apply filters in Excel, refer to the article on how to apply filter in Excel using Java.