As an example ... class by extending that class. Java doesn’t support multiple inheritance through class extension, however. When viewing an inheritance hierarchy, you can easily detect multiple ...

Classes with clear responsibilities, well-defined boundaries and a proper inheritance hierarchy are your top priorities ... Java's sealed classes to your rescue. Advanced Java pattern matching ...

We will focus on the relationship between polymorphism and Java ... inheritance or an interface implementation. You can see this in the example below, featuring Duke and Juggy: public abstract ...