created: 2/20/99; revised: 7/16/99, 01/24/00, 07/22/02, 06/05/03, 08/01/14, 09/22/17
created: 2/20/99; revised: 7/16/99, 01/24/00, 07/22/02, 06/05/03, 08/01/14, 09/22/17
This chapter continues the discussion of polymorphism begun in the previous chapter. Recall that polymorphism is when a reference variable may at different times in a program refer to objects of different (but related) classes.
Object classinstanceof operator(Review: ) What is a method's signature?