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Difference Between “==” and “===” operators in Kotlin 1. Overview In this article, we are going to talk about the difference between “==” and “===” operators in Kotlin. In Kotlin, just like in Java, we have two different concepts of equality, Referential equality, and Structural equality. 2. Referential Equality For… Continue Reading kotlin-equality-operators
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Operator Overloading in Kotlin 1. Overview In this tutorial, we’re going to talk about the conventions that Kotlin provides to support operator overloading. 2. The operator Keyword In Java, operators are tied to specific Java types. For example, String and numeric types in Java can use the + operator for concatenation… Continue Reading kotlin-operator-overloading
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Working with Dates in Kotlin 1. Introduction In this quick tutorial, we’ll learn about working with dates in Kotlin. We’ll be looking into Date-related operations such as creating, formatting and manipulating dates. 2. Creating a Date The quickest way to create a Date object is using LocalDate‘s parse() method: var date… Continue Reading kotlin-dates
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Kotlin String Templates 1. Overview In this tutorial, we’ll explain what Kotlin’s String templates are and how to use them. In order to get familiar with other features and to know how to use Kotlin, have a look at one of our Kotlin tutorials. 2. Strings in Kotlin Like in… Continue Reading kotlin-string-template
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Guide to the “when\{}” Block in Kotlin 1. Introduction This tutorial introduces the when\{} block in Kotlin language and demonstrates the various ways that it can be used. To understand the material in this article, basic knowledge of the Kotlin language is needed. You can have a look at the… Continue Reading kotlin-when
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Objects in Kotlin 1. Introduction Kotlin borrowed many ideas from other languages; one of such constructs is the object. In this quick article, we’ll see what objects are and how can be used. 2. Objects in Kotlin In Kotlin, as in almost all JVM languages, there’s the concept of a… Continue Reading kotlin-objects
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Kotlin Nested and Inner Classes 1. Introduction In this tutorial, we’ll look at four ways to create nested and inner classes in Kotlin. 2. Quick Comparison to Java For those thinking about Java nested classes, let’s do a quick rundown of related terms: Kotlin Java Inner Classes Non-Static Nested Classes… Continue Reading kotlin-inner-classes
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Kotlin Constructors 1. Overview In this tutorial, we’ll take a thorough look at constructors in Kotlin. Let’s start with a quick recap of the concept: we use constructors to create objects. These look like method declarations, but always have the same name as the class and they don’t return anything.… Continue Reading kotlin-constructors
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Kotlin return, break, continue Keywords 1. Overview In this tutorial, we’ll discuss the usage of structural jump expressions in Kotlin. Simply put, Kotlin has three structural jump expressions: return, break, continue. In the next sections, we’ll cover their functionalities with and without a label. 2. Labels in Kotlin Any expressions in… Continue Reading kotlin-return-break-continue
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Overview of Kotlin Collections API 1. Overview In this quick tutorial, we’ll introduce the Kotlin’s Collections API, and we’ll discuss the different collection types in Kotlin and some common operations on collections. 2. Collection vs. Mutable Collection First, let’s take a look at different types of collections in Kotlin. We… Continue Reading kotlin-collections-api
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