Design Patterns
Here are some resources
Patterns in Java
alternate composite
Java code from class examples
Pattern summary
Pattern disscussion questions
Older Class notes
Huston's Patterns page
A patterns FAQ
pattern learning guide
another learning site
Patterns Homepage
Refs for Alexander
Appleton: Essential concepts
Alexander and OO design
Notes on Alexander
WUSTL Patterns page
Kent Beck on Industrial experience
Patterns tutorial
Java AWT Patterns
Yet more Patterns notes