Kotlin Study Plans

Structured learning paths for different goals and timelines.

7-Day Beginner Plan

Learn Kotlin basics in one week — perfect if you are new to programming or switching from Java.

Day 1
What is Kotlin · Setup & Playground
→ what is kotlin→ kotlin get started
Day 2
Variables, val, var · Data Types
→ kotlin variables→ kotlin data types
Day 3
Strings, Operators
→ kotlin strings→ kotlin operators
Day 4
If/Else, When
→ kotlin if else→ kotlin when
Day 5
For Loop, While, Ranges
→ kotlin for loop→ kotlin ranges
Day 6
Functions, Parameters, Return
→ kotlin functions→ kotlin default arguments
Day 7
Lists, Maps, Practice
→ kotlin list→ kotlin map

30-Day Mastery Plan

A full path from syntax basics to coroutines, Flow, and interview-ready topics.

Day 1-3
Basics: syntax, variables, types
→ kotlin variables→ kotlin data types
Day 4-6
Strings, operators, conditions
→ kotlin strings→ kotlin if else
Day 7-10
Loops, functions, collections
→ kotlin for loop→ kotlin functions→ kotlin list
Day 11-14
Collections: List, Set, Map
→ kotlin list→ kotlin set→ kotlin map
Day 15-18
OOP: classes, inheritance, data classes
→ kotlin classes→ kotlin data classes
Day 19-21
Null safety, lambdas, scope functions
→ kotlin null safety→ kotlin lambdas→ kotlin scope functions
Day 22-24
Exceptions, generics
→ kotlin try catch→ kotlin generics
Day 25-27
Coroutines intro
→ kotlin coroutines intro
Day 28-30
Flow, StateFlow, interview prep
→ kotlin flow intro→ kotlin stateflow

Android Kotlin Path

Focus on Kotlin features most used in modern Android development with Jetpack.

Day 1
Kotlin basics refresh
→ kotlin variables→ kotlin null safety
Day 2
Data classes, sealed classes
→ kotlin data classes→ kotlin sealed classes
Day 3
Lambdas, scope functions
→ kotlin lambdas→ kotlin scope functions
Day 4
Coroutines intro
→ kotlin coroutines intro
Day 5
Flow and StateFlow
→ kotlin flow intro→ kotlin stateflow
Day 6
Collections for UI state
→ kotlin list→ kotlin map
Day 7
Practice & interview prep
→ kotlin coroutines intro

Coroutines & Flow Path

Deep dive into asynchronous Kotlin — coroutines, suspend, and reactive streams.

Day 1
What are coroutines?
→ kotlin coroutines intro
Day 2
suspend functions
→ kotlin suspend functions
Day 3
launch, async, scope
→ kotlin launch async→ kotlin coroutine scope
Day 4
Dispatchers & threads
→ kotlin dispatchers
Day 5
Flow & StateFlow
→ kotlin flow intro→ kotlin stateflow
Day 6
SharedFlow & events
→ kotlin sharedflow→ kotlin sealed classes

Interview Preparation Path

Two-week sprint through the most common Kotlin interview topics with tutorials and practice.

Day 1-2
Null safety, val vs var
→ kotlin null safety→ kotlin variables
Day 3-4
OOP: data class, sealed, inheritance
→ kotlin data classes→ kotlin sealed classes→ kotlin inheritance
Day 5-6
Collections, lambdas
→ kotlin list→ kotlin lambdas→ kotlin higher order functions
Day 7-8
Coroutines & suspend
→ kotlin coroutines intro
Day 9-10
Flow, generics, scope functions
→ kotlin flow intro→ kotlin generics→ kotlin scope functions
Day 11-12
Practice quiz & exercises
→ kotlin coroutines intro