Learn when to use abstract classes vs interfaces in Kotlin. Covers constructors, state, default implementations, multiple inheritance, the comparison ...
Learn when to use abstract classes vs interfaces in Kotlin. Covers constructors, state, default implementations, multiple inheritance, the comparison ...
Learn delegation in Kotlin — interface delegation with the by keyword, lazy initialization, observable and vetoable property delegates, custom d...
Learn Kotlin generics from scratch — generic classes, generic functions, type constraints, variance with in/out, star projection, reified types,...
Learn destructuring declarations in Kotlin — how to unpack data classes, Pairs, and Maps into variables, how to skip components with underscore,...
Learn how inline functions work in Kotlin — how the compiler eliminates lambda allocations, how reified generics preserve type information at ru...
Master Kotlin collection operations — map, filter, reduce, fold, flatMap, groupBy, partition, zip, chunked, and more. Learn how to chain operati...
Learn Kotlin collections — List, Set, and Map with the difference between read-only and mutable versions. Covers creating, accessing, searching,...
Learn when to use data class vs regular class in Kotlin. Covers the core distinction between data and behavior, auto-generated functions, comparison t...
Learn Kotlin's four visibility modifiers — public, private, protected, and internal — with clear rules on when to use each. Covers private...
A complete deep dive into Kotlin constructors — primary constructor, init blocks, secondary constructors, constructor chaining, initialization o...
Learn all five Kotlin scope functions — let, run, apply, also, and with. Understand the difference between this and it, when each returns the ob...