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Define design process. List the principles of a software design.

Mastering Software Design: A Deep Dive into Processes and Principles

Defining the Software Design Process

  • A systematic approach to creating a software system's structure, behavior, and interfaces.
  • Involves translating user needs and system requirements into a blueprint for implementation.
  • Iterative process incorporating feedback and refinement.
  • Includes activities like requirements analysis, design modeling, and architectural design.
  • Aims to produce a high-quality, maintainable, and scalable software product.

Core Principles of Software Design

  • Abstraction: Hiding complex implementation details and presenting only essential information.
  • Modularity: Breaking down the system into smaller, independent modules.
  • Encapsulation: Bundling data and methods that operate on that data within a single unit.
  • Separation of Concerns: Dividing the system into distinct parts responsible for specific functionalities.
  • Coupling and Cohesion: Minimizing dependencies between modules (low coupling) and maximizing internal unity within modules (high cohesion).
  • DRY (Don't Repeat Yourself): Avoiding redundancy in code and design.
  • KISS (Keep It Simple, Stupid): Favoring simplicity and avoiding unnecessary complexity.
  • YAGNI (You Ain't Gonna Need It): Implementing only features currently required, avoiding premature optimization.
  • SOLID Principles: Following five principles for designing flexible and maintainable class structures (Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion).
  • Maintainability: Designing for easy modification and future enhancements.
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