Nov 2, 2025 · 4 min read · Before we start working on the same blueprint we used earlier for the GetArtUseCase, let us pause for a moment and depict the data flow in the form of a flowchart. This will help gauge the progress of the second use case - SearchImageUseCase. This us...
Join discussionAug 23, 2025 · 6 min read · Sealed classes are one of the biggest “modern Java” features that came after Java 8, finalized in Java 17 (LTS). They give you more control over inheritance and make class hierarchies safer and easier to reason about. 1. The problem they solve In Ja...
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Apr 24, 2025 · 4 min read · Introduction "Simplicity is the ultimate sophistication." – Leonardo da Vinci Imagine you're working on a payment processing system. You’ve modeled different payment statuses using a class hierarchy: Success, Failed, and Pending. Weeks later, a new...
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Apr 7, 2025 · 4 min read · Sealing a class or interface restricts the list of subclasses or implementations to a predefined set. For example, consider defining a Shape and restricting subclasses to be only triangles and squares. public class SealedClasses { sealed class Sh...
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Feb 24, 2025 · 5 min read · Kotlin provides various types of classes, each designed for specific use cases. In this blog, we will break them down using real-world analogies, code examples, and key differences. 1️⃣ Normal Class (class) A normal class is used to create objects th...
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Sep 23, 2024 · 5 min read · What is Delegates? First of all in our mind we have a question that there is small "delegate" and there is Capital "Delegate". What it is mean and why there is small and capital in terms of "delegate" and "Delegate". Before resolving above question L...
Join discussionJun 4, 2024 · 4 min read · JDK 17 has introduced a lot of new features, one of them is Sealed Classes. Let's understand what are sealed classes and why were they introduced. We will not use the Animal -> Dog -> Red Dog -> Multicolor Dog or House -> Door -> Mouse type examples ...
Join discussionFeb 7, 2023 · 4 min read · In the last article, we covered data classes in Kotlin. We saw how they simplify class creation and make it faster with less coding. Now, let's explore Sealed Classes. Sealed Classes in Kotlin are a specialized form of abstract classes. They limit su...
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Jan 14, 2023 · 2 min read · Kotlin sealed classes are a powerful tool for creating restricted class hierarchies in which an object can only have one of the specified types. They are similar to Enums, but with additional features Implementing Kotlin Sealed Classes A sealed class...
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Oct 26, 2022 · 5 min read · The article aims to explain the below list of things: Enum Classes Why do we use enum classes in the first place ? How to use enum classes ? Usage of enum classes using when block Problems with the enum classes Sealed Classes...
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