CS51 - Fall 2009 - Lecture 8
Extended discussion of problem 6.9.1 in the book
public vs. private
by default, instance variables should be private
methods can be public or private depending on what they're for
parameters as a way of passing information
formal parameters in constructor/method declarations
actual parameters are passed in when that constructor/method is invoked.
what matters are that the types match (or can be converted, for example passing in an int when the method expects a double), and that the order is correct.
two (or more) methods with same name, different signatures
convenient to have overloaded methods call each other.
use of keyword