Read the items from the Creational patterns page, including

• Factory
• Abstract Factory
• Builder (read all except pp. 23-27 in the PDF)
• Singleton (read all except the javax.comm stuff)

Read the following items from the Structural patterns page,

• Adapter (p. 2)
• Decorator (p. 24, 30-31)
• Facade (p. 32,38)
• Flyweight (p. 38,43)
• Proxy (p. 45, 48)

Read the following items from the Behavioral patterns page,

• Chain of Responsibility (p. 2, 8-10)
• Observer (p. 49, 56)
• State (p. 1, 8)
• Visitor (all)