--- title: "#sealed-class articles | Hashnode" description: "Explore 10 articles tagged #sealed-class on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/sealed-class" --- Tag # #sealed-class 10 posts · 1 followers [Ganesh Rama Hegde](https://hashnode.com/@hegde10122) · [Nov 2, 2025](https://hashnode.com/posts/chapter-15-coding-the-searchimageusecase-domain-layer/69071f36b98671b7b9ccc55f) ### [Chapter 15 - Coding the SearchImageUseCase (Domain layer)](https://androidavatar.hashnode.dev/chapter-15-coding-the-searchimageusecase-domain-layer?utm_source=hashnode&utm_medium=feed) 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... 4 min read · [androidavatar.hashnode.dev](https://androidavatar.hashnode.dev/chapter-15-coding-the-searchimageusecase-domain-layer?utm_source=hashnode&utm_medium=feed) [Mohit jain](https://hashnode.com/@jainmohit0807) · [Aug 23, 2025](https://hashnode.com/posts/sealed-classes-in-java/68a9d06ee1abfbb2bb040535) ### [Sealed Classes in Java](https://jainmohit0807.hashnode.dev/sealed-classes-in-java?utm_source=hashnode&utm_medium=feed) 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... 6 min read · [jainmohit0807.hashnode.dev](https://jainmohit0807.hashnode.dev/sealed-classes-in-java?utm_source=hashnode&utm_medium=feed) [Abhinav K](https://hashnode.com/@itsabhinavk) · [Apr 24, 2025](https://hashnode.com/posts/mastering-sealed-classes-in-java-model-hierarchies-with-confidence/6809ff56f224e43839891b45) ### [Mastering Sealed Classes in Java: Model Hierarchies with Confidence](https://masterjava.hashnode.dev/mastering-sealed-classes-in-java-model-hierarchies-with-confidence?utm_source=hashnode&utm_medium=feed) Java sealed classes control hierarchies, improve maintainability, and model domain logic with pattern matching 4 min read · [masterjava.hashnode.dev](https://masterjava.hashnode.dev/mastering-sealed-classes-in-java-model-hierarchies-with-confidence?utm_source=hashnode&utm_medium=feed) [Mirna De Jesus Cambero](https://hashnode.com/@mirnadjc) · [Apr 7, 2025](https://hashnode.com/posts/modern-java-features-sealed-classes/67f3ed25d5f453ad3728bf2e) ### [Modern Java Features: Sealed Classes](https://codelikeawoman.com/modern-java-features-sealed-classes?utm_source=hashnode&utm_medium=feed) 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... 4 min read · [codelikeawoman.com](https://codelikeawoman.com/modern-java-features-sealed-classes?utm_source=hashnode&utm_medium=feed) [Aditya Das](https://hashnode.com/@Aditya10up) · [Feb 24, 2025](https://hashnode.com/posts/understanding-different-types-of-classes-in-kotlin-with-real-world-examples/67bc9edc2a1a932b2822160a) ### [Understanding Different Types of Classes in Kotlin with Real-World Examples](https://codingandlearning.hashnode.dev/understanding-different-types-of-classes-in-kotlin-with-real-world-examples?utm_source=hashnode&utm_medium=feed) Learn everything about Kotlin classes—normal, data, singleton, enum, sealed, and more! Explore real-world analogies, code examples, and key differences. 5 min read · [codingandlearning.hashnode.dev](https://codingandlearning.hashnode.dev/understanding-different-types-of-classes-in-kotlin-with-real-world-examples?utm_source=hashnode&utm_medium=feed) [abhishek kumar](https://hashnode.com/@AksiCodeBasics) · [Sep 23, 2024](https://hashnode.com/posts/concept-of-delegates/66f157fda29cff548a5ef208) ### [Concept of Delegates](https://aksilearntocoder.hashnode.dev/concept-of-delegates?utm_source=hashnode&utm_medium=feed) 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... 5 min read · [aksilearntocoder.hashnode.dev](https://aksilearntocoder.hashnode.dev/concept-of-delegates?utm_source=hashnode&utm_medium=feed) [Omkar Terbhai](https://hashnode.com/@Arbitrager) · [Jun 4, 2024](https://hashnode.com/posts/sealed-classes-jdk-17/665eb94a1ea65a5ad9038dc0) ### [Sealed Classes - JDK 17](https://www.omkarterbhai.com/sealed-classes-jdk-17?utm_source=hashnode&utm_medium=feed) 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 ... 4 min read · [omkarterbhai.com](https://www.omkarterbhai.com/sealed-classes-jdk-17?utm_source=hashnode&utm_medium=feed) [Hardik Sachan](https://hashnode.com/@hardiksachan) · [Feb 7, 2023](https://hashnode.com/posts/guide-to-sealed-classes-in-kotlin-for-improved-code-organization/63e8d310b99d05db61a17a9a) ### [Guide to Sealed Classes in Kotlin for Improved Code Organization](https://hardiksachan.com/guide-to-sealed-classes-in-kotlin-for-improved-code-organization?utm_source=hashnode&utm_medium=feed) 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... 4 min read · [hardiksachan.com](https://hardiksachan.com/guide-to-sealed-classes-in-kotlin-for-improved-code-organization?utm_source=hashnode&utm_medium=feed) [Nitish Bhatt](https://hashnode.com/@nitishbhatt) · [Jan 14, 2023](https://hashnode.com/posts/sealed-classes-in-kotlin/63ce664201e0c3bcf823deec) ### [Sealed Classes in Kotlin](https://nitishbhatt.hashnode.dev/sealed-classes-in-kotlin?utm_source=hashnode&utm_medium=feed) 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... 2 min read · [nitishbhatt.hashnode.dev](https://nitishbhatt.hashnode.dev/sealed-classes-in-kotlin?utm_source=hashnode&utm_medium=feed) [Krish Parekh](https://hashnode.com/@KrishParekh) · [Oct 26, 2022](https://hashnode.com/posts/enum-vs-sealed-classes/63594950fb2917c8cf96edc6) ### [Enum vs Sealed Classes](https://krishparekh.hashnode.dev/enum-vs-sealed-classes?utm_source=hashnode&utm_medium=feed) This article explain the difference between enum and sealed classes and explain how enum can be differentiated and why we use enum and sealed classes. 6 min read · [krishparekh.hashnode.dev](https://krishparekh.hashnode.dev/enum-vs-sealed-classes?utm_source=hashnode&utm_medium=feed) [7](https://hashnode.com/posts/enum-vs-sealed-classes/63594950fb2917c8cf96edc6)