1.Hojuggro.ml
As of version 3.8, POI has slightly different syntax to work with data validations with .xls and .xlsx formats. hssf.usermodel (binary .xls format) Check the value a user enters into a cell against one or more predefined value(s). The following code will limit the value the user can enter into cell A1 to one of three integer values, 10, 20 or 30.