package com.aspose.cells.examples.loading_saving; import com.aspose.cells.IWarningCallback; import com.aspose.cells.WarningInfo; import com.aspose.cells.WarningType; //Implement IWarningCallback interface to catch warnings while loading workbook public class WarningCallback implements IWarningCallback { public void warning(WarningInfo warningInfo) { if(warningInfo.getWarningType() == WarningType.DUPLICATE_DEFINED_NAME) { System.out.println("Duplicate Defined Name Warning: " + warningInfo.getDescription()); } } }//WarningCallback