@Test void testIsExcelFileTrueXLSX() { assertEquals(true, isExcelFile("test.xlsx")); }
public static boolean isExcelFile(String filename) { String extension = FilenameUtils.getExtension(filename); return ExcelFileExtensions.getExcel().contains(extension); }
ExcelUtils { public static boolean isExcelFile(String filename) { String extension = FilenameUtils.getExtension(filename); return ExcelFileExtensions.getExcel().contains(extension); } }
ExcelUtils { public static boolean isExcelFile(String filename) { String extension = FilenameUtils.getExtension(filename); return ExcelFileExtensions.getExcel().contains(extension); } private  ExcelUtils(); }
ExcelUtils { public static boolean isExcelFile(String filename) { String extension = FilenameUtils.getExtension(filename); return ExcelFileExtensions.getExcel().contains(extension); } private  ExcelUtils(); static void renameSheet(String newSheetname, File file, int index); static int getNumberOfSheets(File file); static boolean isExcelFile(String filename); }
ExcelUtils { public static boolean isExcelFile(String filename) { String extension = FilenameUtils.getExtension(filename); return ExcelFileExtensions.getExcel().contains(extension); } private  ExcelUtils(); static void renameSheet(String newSheetname, File file, int index); static int getNumberOfSheets(File file); static boolean isExcelFile(String filename);  }