📄️ configuration
Environment
📄️ Access Modifier
Introduce about `internal` keyword comparing to `protected`.
📄️ Type Casting
Introduce type casting in kotlin.
📄️ Pair and Triple in Kotlin
Introduce Pair and Triple data class in kotlin.
📄️ const vs val
Compare const to val
📄️ Backing property
How to use backing field and property with `lazy`
📄️ Operator overloading, overriding
Compare const to val
📄️ Singleton Pattern
Why, When, How to use singleton pattern?