Chapter 4: Behavioral Design Patterns

In this section

• 4.1 Strategy Pattern
  • Strategy Pattern: Defining a Family of Algorithms in Java
    Explore the Strategy Pattern in Java, a design pattern that encapsulates a family of algorithms, making them interchangeable and promoting code maintainability.
  • Implementing Strategy Pattern with Interfaces in Java
    Learn how to implement the Strategy Pattern in Java using interfaces, with practical examples and best practices for robust application design.
  • Context Class and Strategy Selection in Java Strategy Pattern
    Explore the role of the Context class in the Strategy Pattern, its interaction with strategies, and how to select and manage strategies effectively in Java applications.
  • Applying the Strategy Pattern to Sorting Algorithms in Java
    Explore how the Strategy pattern can be applied to sorting algorithms in Java, enhancing flexibility and maintainability. Learn to implement various sorting strategies and switch them at runtime.
• 4.2 Observer Pattern
  • Observer Pattern: Publisher-Subscriber Model in Java
    Explore the Observer Pattern and Publisher-Subscriber Model in Java, understanding their roles in creating robust, decoupled applications.
  • Observer Pattern Implementation in Java: A Step-by-Step Guide
    Learn how to implement the Observer Pattern in Java with detailed instructions, code examples, and best practices for robust application development.
  • Java's Built-in Observer Support: Understanding and Transitioning from Deprecated Classes
    Explore Java's built-in observer support, its historical context, limitations, and modern alternatives for implementing observer patterns in Java applications.
  • Implementing the Observer Pattern for Event Handling in Java GUIs
    Explore how the Observer pattern is used in Java GUI applications to manage event handling, decouple components, and create responsive user interfaces.
• 4.3 Command Pattern
  • Command Pattern Example: Implementing a Universal Remote Control System in Java
    Explore the Command Pattern through a practical example of a universal remote control system in Java, illustrating the decoupling of commands from device implementations.
  • Command Pattern: Encapsulating Requests as Objects in Java
    Explore the Command Pattern in Java, a powerful design pattern that encapsulates requests as objects, enabling flexible and decoupled architecture for executing commands, supporting undo operations, and enhancing system extensibility.
  • Implementing Command Interfaces in Java: A Comprehensive Guide
    Explore the implementation of Command interfaces in Java, focusing on defining, executing, and managing commands for robust application design.
  • Implementing Undo and Redo Operations with the Command Pattern in Java
    Explore how the Command pattern in Java facilitates undo and redo operations, including implementation strategies, best practices, and real-world examples.
• 4.4 Iterator Pattern
  • Custom Collection Classes in Java: Implementing Iterators for Enhanced Usability
    Explore the creation of custom collection classes in Java, such as SkipList, and learn how to implement iterators for efficient and flexible traversal.
  • Iterator Pattern: Traversing Collections Without Exposing Underlying Representation
    Explore the Iterator Pattern in Java to traverse collections without exposing their internal structure, promoting separation of concerns and enhancing code maintainability.
  • Implementing Iterators in Java: A Comprehensive Guide to Custom Iterators
    Learn how to implement custom iterators in Java, ensuring robust and efficient traversal of collections with best practices and code examples.
  • Understanding Java's Iterator and Iterable Interfaces in Collections Framework
    Explore Java's Iterator and Iterable interfaces, their role in the collections framework, and best practices for robust application development.
• 4.5 State Pattern
  • State Pattern Example: Modeling Vending Machine States in Java
    Explore the implementation of the State pattern in Java through a practical example of a vending machine, highlighting state transitions and handling user interactions.
  • State Pattern in Java: Managing Object Behavior Based on State
    Explore the State Pattern in Java to manage object behavior dynamically based on internal state changes, enhancing code organization and maintainability.
  • Implementing State Transitions in Java with the State Pattern
    Learn how to implement state transitions using the State Pattern in Java, including defining state interfaces, managing state transitions, and ensuring thread safety.
• 4.6 Template Method Pattern
  • Template Method Pattern: Defining Algorithm Skeletons in Java
    Explore the Template Method pattern in Java, a powerful design pattern for defining algorithm skeletons. Learn how to implement this pattern to enhance code reuse, maintainability, and flexibility.
  • Using Abstract Classes for Template Methods: A Deep Dive into Java Design Patterns
    Explore the Template Method Pattern in Java, focusing on using abstract classes to define template methods, ensuring robust and maintainable code.
  • Hook Methods and Flexibility in Template Method Pattern
    Explore the concept of hook methods within the Template Method pattern in Java, understanding their role in providing flexibility and extensibility. Learn best practices, potential pitfalls, and real-world applications.
  • Data Processing Framework Example Using Template Method Pattern
    Explore a data processing framework in Java using the Template Method pattern to ensure consistent processing flows while allowing customization.
• 4.7 Chain of Responsibility Pattern
  • Chain of Responsibility Pattern: Passing Requests Along a Chain of Handlers
    Explore the Chain of Responsibility pattern in Java, a powerful design pattern for decoupling senders and receivers by passing requests along a chain of handlers.
  • Implementing Handlers in Java: A Comprehensive Guide to the Chain of Responsibility Pattern
    Explore the implementation of handlers in Java using the Chain of Responsibility pattern. Learn about defining handler interfaces, creating concrete handlers, and setting up chains with practical examples and best practices.
  • Implementing a Multi-Level Logging System with Chain of Responsibility
    Learn how to implement a flexible and extensible logging system using the Chain of Responsibility pattern in Java, featuring multiple logging levels and destinations.
  • Decoupling Senders and Receivers in Chain of Responsibility Pattern
    Explore how the Chain of Responsibility pattern decouples senders from receivers, enhancing flexibility and reducing dependencies in Java applications.