====== Week 3 ======

~~NOTOC~~

**Reminders: **
  * lab this Friday!
  * Special guest lecture next Friday!
    * counts as a lab,
    * but can't make-up later


===== Objects and Variables =====

  * Written HW due today 
    * Based on stack and heap diagrams from Liskov Section 2.3
    * //Exercises 2.1, 2.2, and 2.3//

===== Assignment 1 Questions? =====

  * Due: this Fri, Feb 8
  * Distinction between static (class) methods and dynamic (instance) methods:
    * static methods invoked on a class name
    * instance methods invoked on an object reference
  * Semantics of any of the FSet static methods?
  * Implementation of ''equals'', ''hashCode'', or ''toString''?
    * must override implementation from class ''Object''
    * these are instance methods
  * Other questions?



===== Procedural Abstractions =====

  * Liskov Ch. 3
  * Lecture notes: {{courses:cs203-201301:ch3-procedural-abstraction.pdf|PDF}}
  * Note: this semester we will use Javadoc comments, rather than Liskov-style Java comments!



===== Exceptions =====

  * Liskov Ch. 4
  * Lecture notes: {{courses:cs203-201301:ch4-exceptions.pdf|PDF}}