modified Chapter 2 - Classes and Objects/readme.md
modified Chapter 2 - Classes and Objects/readme.md

ionutsp17/JavaMainRepo,SocaciIoana/JavaMainRepo,JavaSummer/JavaMainRepo,BologaMarius/JavaMainRepo,kovacsgellert/JavaMainRepo,mariahada/JavaMainRepo,AlexaGh/JavaMainRepo,AlexandruGH/JavaMainRepo,gergo13/JavaMainRepo,Ranapop/JavaMainRepo,uivlis/JavaMainRepo,alexh95/JavaMainRepo,DariLupea/JavaMainRepo,andreeaonaciu/JavaMainRepo,robertvacareanu/JavaMainRepo