anchor.diff:  // Employee{employeeId=123123, name='Sophie', surname='Derue', age=20, single=true, birthday='5/3/1997'}
   ----
   
  -== Example 2
  +=== Example 2
   
   Your object model may be derived from a super class:
   
  
positive.code: ----
  public abstract class Vehicle {
  
      @Index(column = 0, cell = 0)
      protected String name;
  
      @Index(column = 1, cell = 1)
      protected int year;
  }
  
  public class Car extends Vehicle {
  
      @Index(column = 2, cell = 2)
      private int nOfSeats;
  }
  ----
  
negative.code:     }
  }
  ----
  <1> a field must be annotated with `@ExcelCell` along with its property in order to get the value from the right coordinate in the target excel sheet.
  <2> an annotated field can be either protected, private or public modifier. The field may be either of `boolean`, `byte`, `short`, `int`, `long`, `char`, `float`, `double` or `String`.
  
  This is the excel file (`employees.xlsx`) we want to map to a list of `Employee` instance:
  