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Biswajit Porel
Biswajit Porel

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how to leARN KOTLIN

The best way to learn Kotlin is by writing code every day, not by watching hours of videos.

Here's a beginner-friendly roadmap.

Step 1: Learn Kotlin basics (1 week)

Learn these topics in order:

  1. Variables (val and var)
  2. Data types (Int, String, Double, Boolean)
  3. Input and output
  4. Operators (+, -, *, /)
  5. if / else
  6. when
  7. Loops (for, while)
  8. Functions
  9. Lists
  10. Classes and Objects

Don't move on until you can write small programs using each topic.


Step 2: Practice with tiny programs

After each topic, create something simple:

  • Print "Hello World"
  • Add two numbers
  • Find the largest of three numbers
  • Check if a number is even or odd
  • Build a multiplication table
  • Create a simple calculator

Step 3: Use free resources

I recommend these:


Step 4: Start Android development

Once you're comfortable with Kotlin basics, begin building Android apps in Android Studio.

Start with:

  • Calculator
  • BMI Calculator
  • To-Do List
  • Notes App

My teaching plan for you

Since you've said you're a complete beginner, I can teach you from zero.

We'll have lessons like this:

Lesson 1

  • What is Kotlin?
  • Install Android Studio
  • Your first program: Hello, World!

Lesson 2

  • Variables
  • Data types
  • Mini exercises

Lesson 3

  • if / else
  • Build an Even/Odd checker

Lesson 4

  • Loops
  • Multiplication table app

By the end of the first month, you'll have written real Kotlin code and built your first Android app instead of only watching tutorials.

I can act like a personal instructor and guide you one lesson at a time, checking your understanding before moving to the next topic.

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