The Pain of OOP, Lecture #6: NULL references object oriented programming crash course

A lecture for BSc students in Innopolis University. The slides are here: (in LaTeX and PDF) Buy my book about OOP: Blog: Books: GitHub: (don’t hesitate to follow in order to stay informed) Telegram channel with recent news and updates: (subscribe to not miss a thing) Twitter with daily and weekly updates: (follow me!) iTunes: SoundCloud: Yandex Music podcast by yegor256: 0:00 Introduction 3:44 Quote 11:57 Fail Fast vs Fail Safe 12:50 Defaults 21:12 Exception swallowing 25:39 Software development lifecycle (SDLC) 30:12 Alternatives to Returning NULL 34:01 Returning a List or a NULL 39:40 Returning a Fake Entity 45:16 Alternatives to Checking for NULL 56:37 &. operator in Ruby 1:00:45 NULL-awareness in Kotlin 1:04:45 Alternatives to Storing NULL 1:13:03 Object Thinking 1:19:10 Spring Boot