Classes and object instances in Kotlin
Kotlin data class — Behind the mask | ProAndroidDev
android - Can we instantiate interface nested inside the class in java and why it is different from kotlin? - Stack Overflow
Kotlin Class & Object - Kalkicode
Instantiated class in Kotlin still possibly null. Why? - Stack Overflow
Kotlin Mega Tutorial - SuperKotlin
Save Time in Android Development with Kotlin | Toptal®
HOW TO CREATE CLASS, FUNCTIONS & EXTENDING CLASS (KOTLIN TUTORIAL - TECHTICAL TUTORIALS) - YouTube
constructor - Why would you use a Kotlin companion object rather than an initializer block for creation? - Stack Overflow
How to Create a Singleton in Kotlin - YouTube
JSON to Kotlin data class
android - How to use a simple data class in kotlin - Stack Overflow
Use classes and objects in Kotlin
java - What is the correct way to deal with fields in Kotlin? - Stack Overflow
What is the function of an inner class in Kotlin and Android - Stack Overflow
Use classes and objects in Kotlin
Classes in Kotlin. The journey in Kotlin Wonderland… | by Magda Miu | ProAndroidDev
How to create a singleton class in Kotlin?
Interface in Kotlin : Create and Handle Properties in Kotlin - BigKnol
Kotlin init | How Kotlin init Work | Examples of Kotlin init
