Method Overriding
A subclass method overrides its superclass method if it has the same name a parameter types as its superclass. Output: 4 sides You can notice the subclass and the superclass…
“Is a” vs “Has a” relationship
Methods and variables defined in a subclasses are only available inside the subclass and it's subclasses A subclass becomes the superclass for its subclasses Important: A subclass has NO ACCESS…
Simple inheritance example
Output: 4 Star 4 Important: The subclass CANNOT access PRIVATE variables and methods of the superclass