Original Post: Discover Java Sealed Classes: Secure Your Code with These Simple Steps! | by Rabinarayan Patra | Oct, 2024
The article introduces Java developers to the concept of sealed classes, a powerful feature in Java aimed at enhancing control over class hierarchies and improving code security. Introduced in Java 15 and officially released in later versions, sealed classes allow developers to specify which classes or interfaces can extend or implement them. This restricts inheritance to approved subclasses, boosting security and making code more predictable and maintainable. Before this feature, Java’s flexible inheritance model sometimes led to unintended or insecure extensions. Sealed classes provide developers with finer control over this process, thereby securing their code.
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