Here’s how to do it using a method reference: import ... to methods of a superclass that might have been overridden in the current class. This is useful in subclass contexts where you need ...

When you are considering using inheritance, ask yourself whether the subclass really is a more specialized version of the superclass ... import java.util.HashSet; import java.util.Set; public ...

Another approach could be a package-private superclass in the JDK ... Here's how it works. Use sealed classes in Java to control your inheritance Need to limit the number of possible subclasses in ...