An example of decorate is painting white walls a blue color.
An example of decorate is putting a flower in your hair.
An example of decorate is to give the Medal of Honor to a member of the armed forces to honor their distinguished service.
Was decorated for bravery.
To decorate a room.
It makes sure that the field name argument is not empty, and that the field specified there is an actual existing field in the class which declares the method decorated with this attribute.