Inheritance

Inheritance

1. Extends Keyword

   • A subclass class extends the superclass
     • The "Is A" Relationship

2. Accessibility

   • Public Methods
     • Accessible by other classes
   • Protected Methods
     • Inaccessible outside of a package

3. Method Overriding

   • Change the behavior of a method in the parent class
     • Cannot override "final" methods

4. Calling the Superclass's Constructors

   • Super Keyword
     • An instance of the direct superclass of the current object
       • Invokes another constructor in the superclass

5. Calling the Superclass's Hidden Methods

   • Super Keyword
     • Access any member in the superclass that is visible to the subclass