2. HowTo
3. Kotlin Howtos

Kotlin Constructor

• Kotlin Private Constructor
• Difference Between Kotlin Init and Constructors
• Use of the Secondary Constructors in Kotlin

Kotlin List

• Create Lists in Kotlin
• Convert List to Map in Kotlin
• Filter a List in Kotlin
• Add Items to a List in Kotlin

Kotlin Pattern

• Implement the Builder Pattern in Kotlin

Kotlin runBlocking

• Kotlin runBlocking: Bridging the Non-Coroutine World With Coroutine Code

Kotlin Stack

• Use of Stack Data Structure in Kotlin

Kotlin findViewById

• Use of findViewById Function in Kotlin

Kotlin Class

• Extend a Class Having Multiple Constructors in Kotlin
• Object vs Class in Kotlin

Kotlin Modulo

• Implement the Floor Modulo Function in Kotlin

Kotlin Coroutine

• Difference Between CoroutineScope and coroutineScope in Kotlin
• Create and Execute Coroutines in Kotlin

Kotlin String

• Split a String Into an Array in Kotlin
• Get SimpleName in Kotlin
• Concatenate Strings in Kotlin
• Format String in Kotlin

Kotlin Lock

• Use synchronized() and withLock() to Lock Shared Resources in Kotlin

Kotlin Spread

• Kotlin Spread Operator

Kotlin Object

• Clone Object in Kotlin
• Object vs Class in Kotlin
• Get the Instance of an Object in Kotlin

Kotlin Sort

• Sort a Collection Using Multiple Fields in Kotlin

Kotlin Keyword

• Use the with Keyword in Kotlin
• Differences Between val and var in Kotlin
• Difference Between Open and Public Keywords in Kotlin
• Use the by Keyword in Kotlin
• The let Keyword in Kotlin

Kotlin Singleton

• Create a Singleton in Kotlin

Kotlin HTTP

• Create an HTTP Request in Kotlin

Kotlin JUnit

• Implicitly Infer the Type of Fail Method in JUnit 5

Kotlin Map

• Convert List to Map in Kotlin

Kotlin Function

• Kotlin flatMap() Function
• Use of Inline Functions in Kotlin
• Use of Scoping Functions in Kotlin
• Higher Order Functions in Kotlin
• Suspend Function in Kotlin

Kotlin Random

• Get a Random Number in Kotlin

Kotlin Android

• Kotlin Print to Console in Android Studio

Kotlin Console

• Kotlin Print to Console in Android Studio

Kotlin Operator

• The Difference Between Operators is and as in Kotlin
• Use the Elvis Operator in Kotlin
• Difference Between !! And ? Operators in Kotlin
• Ternary Conditional Operator in Kotlin

Kotlin Reified

• Use the reified Keyword in Kotlin

Kotlin Constant

• Create Constants in Kotlin

Kotlin Method

• Difference Between fold() and reduce() in Kotlin

Kotlin JSON

• Parse JSON String to Object in Kotlin

Kotlin MutableList

• Create an Empty Mutable List in Kotlin

Kotlin Static

• Create and Use Static Variables in Kotlin
• Equivalent of Java Static Functions in Kotlin

Kotlin Extension Function

• Differentiate the Extension Functions in Kotlin

Kotlin Exception

• Handle Exceptions in Kotlin

Kotlin Null

• Implement Null Check in Kotlin

Kotlin Listener

• Use setOnClickListener in Kotlin

Kotlin Generics

• Everything About Kotlin Generics

Kotlin Loop

• Get the Current Index of a forEach Loop in Kotlin
• Use forEach in Kotlin

Kotlin Sleep

• Use Kotlin Sleep Function to Suspend a Thread's Execution

Kotlin Java

• Convert a Java File Code to Kotlin
• Convert a Kotlin Source File to a Java File

Kotlin Array

• Equivalent of Java String[] in Kotlin
• Initialize Array in Kotlin With Values

Kotlin Initialization

• Initialize Properties Using by Lazy and Lateinit in Kotlin

Kotlin KClass

• Equivalent of getClass() for KClass

Kotlin Set

• Getters and Setters in Kotlin

Kotlin Statement

• Swift if Let Statement Equivalent in Kotlin
• Implement a Switch Case Statement in Kotlin

Kotlin Data Class

• Kotlin Data Class Inheritance: Extend a Data Class