Java Design Patterns: Behavioral Part 2

Learn how to improve your code using behavioral design patterns. This course covers the following design patterns: Observer, State, Strategy, Template Method, and Visitor.

Introduction

• Improve code quality with behavioral design patterns
• What you should know

1. The Observer Pattern

• Understanding the Observer pattern
• Implementing an observer
• Implementing an observable
• Challenge: The Observer pattern
• Solution: The Observer pattern

2. The State Pattern

• Understanding the State pattern
• Avoiding large switch statements
• Allowing an object to change its behavior
• Challenge: The State pattern
• Solution: The State pattern

3. The Strategy Pattern

• Understanding the Strategy pattern
• Implementing the Strategy pattern
• Improving the Strategy pattern with Java 8 features
• Challenge: The Strategy pattern
• Solution: The Strategy pattern

4. The Template Method Pattern

• Understanding the Template Method pattern
• Implementing the Template Method pattern
• Challenge: The Template Method pattern
• Solution: The Template Method pattern

5. The Visitor Pattern

• Understanding the Visitor pattern
• Creating a visitor
• Implementing the full Visitor pattern
• Challenge: The Visitor pattern
• Solution: The Visitor pattern

Conclusion

• Next steps