08-Behavioral Design Patterns

Chain of Responsibility, Command, Observer, State, Strategy, and more
📅 Mar 15, 2026

📝 Topics Covered

  1. 1. What are Behavioral Patterns?
  2. 2. Chain of Responsibility Design Pattern
  3. 3. Command Design Pattern
  4. 4. Iterator Design Pattern
  5. 5. Mediator Design Pattern
  6. 6. Observer Design Pattern
  7. 7. State Design Pattern
  8. 8. Strategy Design Pattern
  9. 9. Template Method Design Pattern
  10. 10. Visitor Design Pattern
📁 LLD-HLD 📁 LLD 🏷️ Design-Patterns 🏷️ Behavioral-Patterns 🏷️ Software-Design
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04-SOLID Design Principles Explained

Master SRP, OCP, LSP, ISP, and DIP for maintainable object-oriented code
📅 Mar 11, 2026

📝 Topics Covered

  1. 1. What are the SOLID Principles?
  2. 2. The Symptoms of Bad Code
  3. 3. The Motivation Behind SOLID
  4. 4. The SOLID Principles Explained
  5. 5. The Cost of Violation vs. Benefits of Adherence
  6. 6. Practical Exercise: Data Munging
📁 LLD-HLD 📁 LLD 🏷️ Software-Design 🏷️ SOLID 🏷️ Design-Patterns
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01-Complete Software Design and Architecture Roadmap

Master the layers of software engineering from Clean Code to Enterprise Patterns
📅 Mar 8, 2026

📝 Topics Covered

  1. 1. First Principles
  2. 2. The Software Design & Architecture Stack
  3. 3. The Roadmap Stages
  4. 4. Low-Level Design (LLD) Video Resources
📁 LLD-HLD 📁 LLD 📁 Roadmap 🏷️ Software-Design 🏷️ Software-Architecture 🏷️ Clean-Code 🏷️ Design-Patterns
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03-System Design Roadmap: LLD and HLD Guide

Your complete path to mastering Low-Level and High-Level Design
📅 May 21, 2026

📝 Topics Covered

  1. 1. When to Start Learning System Design
    • Video walkthrough & baseline expectations
  2. 2. High-Level Design (HLD)
    • Macro plans, blueprints, and business integration
  3. 3. Low-Level Design (LLD)
    • Micro-planning, class layouts, and actionable components
  4. 4. Differences Between HLD and LLD
    • 4.1 HLD vs. LLD Focus Areas
    • 4.2 Macro vs. Micro Architecture
    • 4.3 Development Chronology
    • 4.4 Target Audience
  5. 5. System Design (HLD & LLD) Roadmaps
    • 5.1 7-Week Step-by-Step Study Guide
    • 5.2 Transitioning from HLD to LLD
  6. 6. Recommended Reading (System Design Books)
📁 LLD-HLD 📁 Roadmap 🏷️ System-Design 🏷️ Interview-Prep
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02-Software Testing in SDLC: Types and Strategies

Unit, Integration, System, and Acceptance Testing
📅 Mar 4, 2026

📝 Topics Covered

  1. 1. Software Testing
    • Definition, Verification & Validation
  2. 2. Types of Software Testing
    • 2.1 Manual Testing
    • 2.2 Automation Testing
  3. 3. Levels of Software Testing
    • 3.1 Unit, 3.2 Integration, 3.3 System, and 3.4 Regression Testing
    • Testing environments (Alpha, Beta, Acceptance)
    • Non-functional testing (Load, Stress, Security)
  4. 4. Test Case Design Approaches
    • 4.1 White Box, 4.2 Black Box, and 4.3 Gray Box Testing
  5. 5. Test-Driven Development (TDD)
    • 5.1 Shift Left vs. Shift Right testing paradigms
📁 LLD-HLD 📁 SDLC 🏷️ Software-Testing 🏷️ QA 🏷️ TDD
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