https://www.bradcypert.com/tags/sealed-classes/ Recent content in Sealed Classes on BradCypert.com Hugo en-us Tue, 27 Dec 2022 16:51:00 -0500 https://www.bradcypert.com/kotlin-sealed-classes/ Fri, 19 Oct 2018 00:00:00 +0000 https://www.bradcypert.com/kotlin-sealed-classes/ <p>Kotlin has a concept known as sealed hierarchies (several other languages implement this feature as well). In Kotlin, we can generate a sealed hierarchy through the use of sealed classes.</p> <h2 id="what-are-sealed-classes">What are Sealed Classes?</h2> <p>Sealed classes are basically an extension to an enum class. They offer similar functionality with a few key differences. Similarly:</p> <ul> <li>The class can not be instantiated directly</li> <li>The type can be represented as a type from a limited set, but not from any type outside of the set.</li> </ul> <p>Differences however, are the important part:</p>