Say not you know another entirely, till you have divided an inheritance with him.
—Johann Kasper Lavater
This method is to define as the number of a class the class of all classes similar to the given class.
In this chapter you’ll learn:
• How inheritance promotes software reusability.
• The notions of superclasses and subclasses and the relationship between them.
• To use keyword
extends to create a class that inherits attributes and behaviors from another class.
• To use access modifier
protected to give subclass methods access to superclass members.
• To access superclass members with
• How constructors are used in inheritance hierarchies.
• The methods ...