CS51 - Fall 2009 - Lecture 17
Lab 6 - TextPlay:
Discussion of topics on the midterm
in the real world we often describe objects as being similar to something else and then discuss the differences (eg. a strobe light is a light that flashes, a textbook is a book with examples and problems). inheritance lets us do the same in java.
basics of inheritance
when a class
another class it becomes a subclass of that other class. alternatively, the other class is a superclass of the new class. The subclass inherits everything defined in the superclass.
think about using inheritance when several classes have similar behaviors.
for an example, see
notice how the constructor for the