Quick Table of Contents
  1. Table of Contents
  2. Preface
  3. Section 1: Application Design Concepts and Principles
  4. Section 2: Common Architectures
  5. Section 3: Integration and Messaging
  6. Section 4: Business Tiers Technologies
  7. Section 5: Web Tier Technologies
  8. Section 6: Applicability of Java EE Technology
  9. Section 7: Patterns
  10. Section 8: Security

Observer

Description

When one object changes, all dependent objects are notified.

Scenario

Benefits

Drawbacks

Related patterns

Comments
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