Inheritance

Inheritance

1. Extensible

   • keyword "extends"
     • Parent class
     • child class
     • In java, a class can only extend one class
     • is-a relationship
       • Superclass (parent)
       • Subclass (child)
       • Accessibility
       • Method overiding
       • Calling constructors
         • keyword "super"

2. Inextensible

   • keyword "final"