Sealed classes in Java 15 + смотреть онлайн

Github: https://github.com/proteinshaikh/SummerOfCode/blob/master/src/main/java/Java17/Animal.java

Best practices for using sealed classes in Java:

1. Limit the number of subclasses
2. Plan for future changes
3. Use abstract classes and interfaces
4. Avoid deep inheritance hierarchies: explained below
5. Document your code

Deep inheritance hierarchies: In Java, inheritance allows you to create a new class by extending an existing class, which can be a very powerful tool for organizing your code and reusing functionality. However, it's important to be careful not to create inheritance hierarchies that are too deep or complex.

An inheritance hierarchy is simply a chain of classes that are related by inheritance. For example, you might have a base class called "Animal", which is extended by two subclasses called "Mammal" and "Reptile", and those subclasses are in turn extended by more specific subclasses like "Dog" and "Snake".

When the inheritance hierarchy becomes too deep, it can become difficult to understand and maintain. This is because each subclass inherits the behavior and attributes of all of its parent classes, which can lead to complex and unexpected interactions between different parts of the code. It can also make it harder to add new functionality or make changes to existing code, since you may need to modify many different classes to make a single change.

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