John does many things. John is a Google Developer Expert-turned-Googler, working on Google Home. He's a father, engineer, coffee roaster, and sometimes public speaker. Most weekends, he can be found breaking things that probably used to work at home. And, he's really into coffee.
Kotlin looks great but do you feel like suddenly loosing all your coding skills and wisdom?
Let's visit the Gang of Four Design Patterns and implement them on Kotlin using IntelliJ's native Kotlin support.