Software Engineering Principles

  1. Principles of Modular Design
    1. Modularity
      1. Definition and Rationale
        1. Goals of Modular Design
          1. Manageability
            1. Reusability
              1. Testability
                1. Scalability
                2. Module Characteristics
                  1. Well-Defined Interfaces
                    1. Clear Responsibilities
                      1. Appropriate Size
                      2. Module Boundaries
                        1. Interface Definition
                          1. Dependency Management
                            1. Communication Protocols
                          2. Cohesion
                            1. Definition and Importance
                              1. Measuring Cohesion
                                1. Functional Relatedness
                                  1. Single Responsibility
                                    1. Internal Dependencies
                                    2. Types of Cohesion
                                      1. Functional Cohesion
                                        1. Sequential Cohesion
                                          1. Communicational Cohesion
                                            1. Procedural Cohesion
                                              1. Temporal Cohesion
                                                1. Logical Cohesion
                                                  1. Coincidental Cohesion
                                                  2. Improving Cohesion
                                                    1. Refactoring Techniques
                                                      1. Responsibility Assignment
                                                        1. Function Extraction
                                                      2. Coupling
                                                        1. Definition and Impact
                                                          1. Types of Coupling
                                                            1. Data Coupling
                                                              1. Stamp Coupling
                                                                1. Control Coupling
                                                                  1. External Coupling
                                                                    1. Common Coupling
                                                                      1. Content Coupling
                                                                      2. Measuring Coupling
                                                                        1. Dependency Analysis
                                                                          1. Interface Complexity
                                                                            1. Shared Resources
                                                                            2. Reducing Coupling
                                                                              1. Interface Design
                                                                                1. Dependency Injection
                                                                                  1. Event-Driven Communication
                                                                                    1. Mediator Patterns
                                                                                  2. Separation of Concerns
                                                                                    1. Identifying Concerns
                                                                                      1. Business Logic
                                                                                        1. User Interface
                                                                                          1. Data Management
                                                                                            1. Infrastructure
                                                                                            2. Cross-Cutting Concerns
                                                                                              1. Logging
                                                                                                1. Security
                                                                                                  1. Error Handling
                                                                                                    1. Performance Monitoring
                                                                                                    2. Implementation Techniques
                                                                                                      1. Layered Architectures
                                                                                                        1. Aspect-Oriented Programming
                                                                                                          1. Dependency Injection
                                                                                                            1. Plugin Architectures

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                                                                                                        2. Fundamental Principles for Managing Complexity

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                                                                                                        4. Principles for Robust and Maintainable Systems