Kotlin Basic Learning Repository

Repo luyện tập kiến thức Kotlin cơ bản từ syntax đến coroutines.

📚 Nội dung học tập

1. Cú pháp cơ bản

• Variables & Constants (var, val)
• Data Types: Int, String, Boolean, Double...
• Operators & Type Casting
• String Templates: "Hello, $name"

2. Control Flow

• if-else, when statements
• Loops: for, while, do-while

3. Collections

• List, Set, Map
• Functions: map(), filter(), forEach()...

4. Functions

• Regular & single-expression functions
• Extension functions
• Default parameters

5. Null Safety

• Nullable types (?)
• Safe calls (?.), Elvis operator (?:)

6. OOP

• Classes, Objects, Inheritance
• Data classes, Interfaces
• Companion objects

7. Functional Programming

• Lambda expressions: { x, y -> x + y }
• Higher-order functions

8. Coroutines

• suspend functions
• launch, async
• Dispatchers & Scopes

9. Advanced Topics

• Sealed classes, Generics
• Reflection, DSL

Visual References

Collections Structure

Hash Table

Coroutines