Java Design Patterns

  1. Advanced Topics and Best Practices
    1. Anti-Patterns in Java
      1. Definition and Recognition
        1. Common Anti-Patterns
          1. God Object
            1. Spaghetti Code
              1. Lava Flow
                1. Singleton Abuse
                  1. Copy-Paste Programming
                    1. Golden Hammer
                    2. Anti-Pattern Detection Techniques
                      1. Refactoring Strategies
                        1. Prevention Guidelines
                        2. Pattern Relationships and Combinations
                          1. Common Pattern Combinations
                            1. Composite with Iterator
                              1. Composite with Visitor
                                1. Factory Method with Template Method
                                  1. Abstract Factory with Singleton
                                    1. Observer with Mediator
                                      1. Command with Memento
                                      2. Pattern Comparison Studies
                                        1. Facade versus Mediator
                                          1. Adapter versus Decorator versus Proxy
                                            1. Strategy versus State
                                              1. Factory Method versus Abstract Factory
                                              2. Multi-Pattern System Integration
                                                1. Pattern Interaction Analysis
                                                2. Choosing the Right Pattern
                                                  1. Problem Context Analysis
                                                    1. Pattern Intent Identification
                                                      1. Consequence Evaluation
                                                        1. Trade-off Assessment
                                                          1. Refactoring Towards Patterns
                                                            1. Premature Pattern Application Avoidance
                                                              1. Decision Framework Development
                                                              2. Patterns in Modern Java
                                                                1. Functional Interface Applications
                                                                  1. Strategy Pattern with Lambdas
                                                                    1. Command Pattern with Method References
                                                                      1. Observer Pattern with Functional Interfaces
                                                                      2. Optional as Null Object Pattern
                                                                        1. Stream API Pattern Integration
                                                                          1. Iterator Pattern Evolution
                                                                            1. Visitor Pattern with Streams
                                                                            2. CompletableFuture and Asynchronous Patterns
                                                                              1. Modern Pattern Implementation Techniques
                                                                                1. Java 8+ Feature Integration
                                                                                2. Testing Design Patterns
                                                                                  1. Unit Testing Strategies
                                                                                    1. Pattern-Specific Testing Approaches
                                                                                      1. Mock Object Usage
                                                                                        1. Dependency Injection Techniques
                                                                                        2. Test-Driven Development with Patterns
                                                                                          1. Integration Testing Considerations
                                                                                            1. Performance Testing Guidelines
                                                                                            2. Refactoring and Pattern Introduction
                                                                                              1. Legacy Code Analysis
                                                                                                1. Gradual Pattern Introduction
                                                                                                  1. Refactoring Safety Techniques
                                                                                                    1. Code Smell Identification
                                                                                                      1. Pattern Extraction Methods
                                                                                                        1. Regression Prevention Strategies
                                                                                                        2. Documentation and Communication
                                                                                                          1. Pattern Usage Documentation
                                                                                                            1. Design Decision Communication
                                                                                                              1. Code Review Guidelines
                                                                                                                1. Pattern Recognition Training
                                                                                                                  1. Team Knowledge Sharing
                                                                                                                    1. Architectural Decision Records
                                                                                                                    2. Performance Considerations
                                                                                                                      1. Pattern Performance Impact
                                                                                                                        1. Memory Usage Analysis
                                                                                                                          1. Runtime Overhead Assessment
                                                                                                                            1. Optimization Strategies
                                                                                                                              1. Profiling Techniques
                                                                                                                                1. Performance Trade-off Evaluation
                                                                                                                                2. Concurrency and Patterns
                                                                                                                                  1. Thread-Safe Pattern Implementation
                                                                                                                                    1. Concurrent Design Patterns
                                                                                                                                      1. Synchronization Strategies
                                                                                                                                        1. Lock-Free Pattern Variations
                                                                                                                                          1. Parallel Processing Patterns
                                                                                                                                            1. Reactive Pattern Applications

                                                                                                                                          Previous

                                                                                                                                          4. Behavioral Patterns

                                                                                                                                          Go to top

                                                                                                                                          Back to Start

                                                                                                                                          1. Introduction to Design Patterns