This tells the compiler that these objects are descendants of the Animal class. Since the methods isAMammal and isCarnivorous both return true, Dog and Cat do not need to reimplement or ...

In Java, it is considered best practice to camel case when choosing class names with the first word capitalized. Camel case simply means that you remove all spaces and use capitalization for each ...

When compiling class initializers and class initialization blocks, the Java compiler stores the compiled bytecode (in top-down order) in a special method named <clinit>().

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...