java-tutorials/core-kotlin

Relevant articles:

• Introduction to the Kotlin Language
• A guide to the “when{}” block in Kotlin
• Comprehensive Guide to Null Safety in Kotlin
• Kotlin Java Interoperability
• Difference Between “==” and “===” in Kotlin
• Generics in Kotlin
• Introduction to Kotlin Coroutines
• Destructuring Declarations in Kotlin
• Kotlin with Mockito
• Lazy Initialization in Kotlin
• Overview of Kotlin Collections API
• Converting a List to Map in Kotlin
• Data Classes in Kotlin
• Delegated Properties in Kotlin
• Sealed Classes in Kotlin
• JUnit 5 for Kotlin Developers
• Extension Methods in Kotlin