## 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)
- [Kotlin String Templates](http://www.baeldung.com/kotlin-string-template)
- [Java EE 8 Security API](http://www.baeldung.com/java-ee-8-security)
- [Kotlin with Ktor](http://www.baeldung.com/kotlin-ktor)
- [Working with Enums in Kotlin](http://www.baeldung.com/kotlin-enum)