Kotlin Roadmap

Kotlin is a modern JVM language for enterprise applications, Android development, and backend services. It is designed to reduce boilerplate, improve safety, and interoperate with the Java ecosystem. Its practical strength is simple code with strong tooling and a broad ecosystem.

Scope: Start with installation and syntax, then move into types, classes, coroutines, architecture, and references.

Kotlin Study Progress

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# KOTLIN Topic Description
PHASE 1: LANGUAGE BASICS
01FoundationsWhat Kotlin is, where it is used, and how it fits into the JVM ecosystem.
02EnvironmentInstall the JDK and Kotlin tooling, then set up a clean editor workflow.
03SyntaxProgram structure, expressions, declarations, and Kotlin source rules.
04TypesType inference, values, arrays, strings, and numeric modeling.
05ControlBranches, loops, ranges, and Kotlin control expressions.
PHASE 2: PROGRAM STRUCTURE
06FunctionsParameters, default values, named arguments, lambdas, and extension functions.
07CollectionsLists, maps, sets, immutability, and collection operations.
08ClassesClasses, data classes, sealed types, inheritance, and interfaces.
09Null SafetyNullable types, safe calls, Elvis, and defensive Kotlin design.
10CoroutinesSuspend functions, async workflows, and structured concurrency.
PHASE 3: DELIVERY AND DEPTH
11ArchitectureLayered and feature-based Kotlin application structure for JVM, Android, and backend work.
12ReferencesOfficial docs, tools, JVM guides, architecture references, and deeper study paths.