## Relevant articles: - [Introduction to the Kotlin Language](http://www.baeldung.com/kotlin) - [A guide to the “when{}” block in Kotlin](http://www.baeldung.com/kotlin-when) - [Comprehensive Guide to Null Safety in Kotlin](http://www.baeldung.com/kotlin-null-safety) - [Kotlin Java Interoperability](http://www.baeldung.com/kotlin-java-interoperability) - [Difference Between “==” and “===” in Kotlin](http://www.baeldung.com/kotlin-equality-operators) - [Generics in Kotlin](http://www.baeldung.com/kotlin-generics) - [Introduction to Kotlin Coroutines](http://www.baeldung.com/kotlin-coroutines) - [Destructuring Declarations in Kotlin](http://www.baeldung.com/kotlin-destructuring-declarations) - [Kotlin with Mockito](http://www.baeldung.com/kotlin-mockito) - [Lazy Initialization in Kotlin](http://www.baeldung.com/kotlin-lazy-initialization) - [Overview of Kotlin Collections API](http://www.baeldung.com/kotlin-collections-api) - [Converting a List to Map in Kotlin](http://www.baeldung.com/kotlin-list-to-map) - [Data Classes in Kotlin](http://www.baeldung.com/kotlin-data-classes) - [Delegated Properties in Kotlin](http://www.baeldung.com/kotlin-delegated-properties) - [Sealed Classes in Kotlin](http://www.baeldung.com/kotlin-sealed-classes) - [JUnit 5 for Kotlin Developers](http://www.baeldung.com/junit-5-kotlin) - [Extension Methods in Kotlin](http://www.baeldung.com/kotlin-extension-methods) - [Infix Functions in Kotlin](http://www.baeldung.com/kotlin-infix-functions) - [Try-with-resources in Kotlin](http://www.baeldung.com/kotlin-try-with-resources) - [HTTP Requests with Kotlin and khttp](http://www.baeldung.com/kotlin-khttp) - [Kotlin Dependency Injection with Kodein](http://www.baeldung.com/kotlin-kodein-dependency-injection) - [Regular Expressions in Kotlin](http://www.baeldung.com/kotlin-regular-expressions) - [Objects in Kotlin](http://www.baeldung.com/kotlin-objects) - [Reading from a File in Kotlin](http://www.baeldung.com/kotlin-read-file) - [Guide to Kotlin @JvmField](http://www.baeldung.com/kotlin-jvm-field-annotation) - [Filtering Kotlin Collections](http://www.baeldung.com/kotlin-filter-collection) - [Writing to a File in Kotlin](http://www.baeldung.com/kotlin-write-file) - [Lambda Expressions in Kotlin](http://www.baeldung.com/kotlin-lambda-expressions) - [Writing Specifications with Kotlin and Spek](http://www.baeldung.com/kotlin-spek) - [Processing JSON with Kotlin and Klaxson](http://www.baeldung.com/kotlin-json-klaxson)