src/main/java/com/poiji/bind/Poiji.java
public static synchronized <T> List<T> fromExcel(final InputStream inputStream,
                                                     final PoijiExcelType excelType,
                                                     final Class<T> type,
                                                     final PoijiOptions options) {
        Objects.requireNonNull(excelType);
        final ArrayList<T> list = new ArrayList<>();
        fromExcel(inputStream, excelType,type, options, list::add);
        return list;
    }
public static synchronized <T> List<T> fromExcel(final InputStream inputStream,
                                                     final PoijiExcelType excelType,
                                                     final Class<T> type,
                                                     final PoijiOptions options) {
        Objects.requireNonNull(excelType);
        final ArrayList<T> list = new ArrayList<>();
        fromExcel(inputStream, excelType,type, options, list::add);
        return list;
    }
public static synchronized < T > List < T > fromExcel ( final InputStream inputStream , final PoijiExcelType excelType , final Class < T > type , final PoijiOptions options ) { Objects . requireNonNull ( excelType ) ; final ArrayList < T > list = new ArrayList <> ( ) ; fromExcel ( inputStream , excelType , type , options , list :: add ) ; return list ; }
converts excel rows into a list of objects

@param inputStream excel file stream
@param excelType   type of the excel file, xls or xlsx
@param type        type of the root object.
@param <T>         type of the root object.
@param options     specifies to change the default behaviour of the poiji.
@return the newly created a list of objects
@throws PoijiException            if an internal exception occurs during the mapping process.
@throws InvalidExcelFileExtension if the specified excel file extension is invalid.
@throws IllegalCastException      if this Field object is enforcing Java language access control and the underlying field is either inaccessible or final.
@see Poiji#fromExcel(File, Class)
converts excel rows into a list of objects