On Kotlin

Overview

• >> Introduction to the Kotlin Language

Core Concepts

• >> Comprehensive Guide to Null Safety in Kotlin
• >> Guide to the “when{}” Block in Kotlin
• >> Try-with-resources in Kotlin
• >> Destructuring Declarations in Kotlin
• >> Lazy Initialization in Kotlin
• >> Kotlin and Tail Recursion
• >> Difference Between “==” and “===” operators in Kotlin

Classes and Objects

• >> Objects
• >> Sealed Classes
• >> Delegated Properties
• >> Visibility Modifiers
• >> Data Classes
• >> Generics

Functions & Lambdas

• >> Infix Functions
• >> Coroutines
• >> Extension Methods
• >> Lambda Expressions

Collections

• >> Kotlin Collections API
• >> Filtering Collections
• >> Converting a List to Map

File Handling

• >> Reading from a File
• >> Writing to a File

Persisting data

• >> Working with JPA

Annotations

• >> @JvmSynthetic Annotation
• >> @JvmField Annotation

Libraries & Plugins

• >> HTTP Requests with Kotlin and khttp

Unit Testing

• >> JUnit 5 for Kotlin Developers
• >> Kotlin with Mockito

Kotlin with Spring

• >> Spring MVC Setup with Kotlin
• >> Spring Boot and Kotlin
• >> Reactive Flow with MongoDB, Kotlin, and Spring WebFlux
• >> Kotlin-allopen and Spring

Kotlin and Java

• >> Java 8 Stream API Analogies in Kotlin
• >> Kotlin Java Interoperability
• >> Migrating from Java to Kotlin

Other

• >> Writing Specifications with Kotlin and Spek
• >> Regular Expressions in Kotlin
• >> Kotlin Dependency Injection with Kodein