Becoming popular in the early 1990s and the norm today, object-oriented programming (OOP) languages, such as C++ and Java ... functions to the data. These user-defined data types are called ...

Kotlin is a general purpose, free, open source, statically typed “pragmatic” programming ... is called a “platform type” that behaves exactly like a Java type, meaning that is nullable ...

like Java. Here you’ll be introduced to the fundamentals of procedural programming, with a short introduction to object-oriented coding. You’ll learn some key programming structures like data types, ...