Inheritance

Inheritance

1. Superclass

   • The parent class
   • Original class
   • Subclass
     • extends the superclass
     • inherits methods
       • Can override inherited methods with different ones
     • can't access private methods
     • requires a new constructor
     • Super
       • Represents an instance of the superclass
     • Type Casting
       • An instance of a subclass and be cast up to superclass
     • Final
       • Used in declaration so a class cannot be derived from this class
   • is a