Prestructors

Making constructors pre-process the arguments before encapsulating them seems to be bad practice. However, very often it���s necessary to do exactly that: perform some manipulationswith the objects provided as arguments and only then assignthem to the attributes of the constructed object. For this purposeI suggest using prestructors, which could be methods or stand-aloneobjects.

[image error]Huge in France (2019) by Gad Elmaleh et al.

Say, this is your code:

import java.util.List;import java.uti...