Learn OOP using analogies: objects, encapsulation, abstraction, composition & design principles
This course contains the use of artificial intelligence.
What you’ll learn
- Understand Object-Oriented Programming as a design mindset, not as syntax or language-specific rules, and explain why OOP exists..
- Recognize symptoms of bad software design early, including excessive coupling, unclear responsibilities, and fragile structures..
- Identify and apply core OOP concepts—objects, encapsulation, abstraction, interfaces, and composition—based on design intent rather than habit..
- Make informed design trade-offs, knowing when to use inheritance, polymorphism, composition, or dependency injection—and when not to..
- Explain software design decisions clearly and confidently, using responsibility, collaboration, and structure as guiding principles..
- Avoid common OOP anti-patterns by understanding how OOP concepts work together in real systems..
Course Content
- Introduction –> 1 lecture • 2min.
- Why OOP Exists –> 2 lectures • 5min.
- Foundations: Objects & Responsibility –> 2 lectures • 5min.
- Controlling Complexity –> 3 lectures • 10min.
- Object Relationships –> 3 lectures • 9min.
- Dependency & Flexibility –> 2 lectures • 4min.
- Reuse & Polymorphism –> 3 lectures • 7min.
- Putting It All Together –> 2 lectures • 5min.
Requirements
This course contains the use of artificial intelligence.
Most programming courses teach Object-Oriented Programming through syntax and language-specific features. This course takes a different approach.
Instead of focusing on Java, C#, or Python keywords, you will learn OOP as a design mindset. Through clear analogies and visual explanations, you will understand why objects exist, how responsibilities are assigned, and how software systems stay flexible as they grow.
We begin by exploring why procedural code often fails as systems scale. Then we build strong foundations: objects as responsible actors, classes and instances, encapsulation, and abstraction. From there, we explore collaboration between objects through association, composition, aggregation, and dependency injection. Finally, we analyze inheritance, polymorphism, design trade-offs, and common OOP anti-patterns.
This course is language-independent and focused on mental models rather than syntax. By the end, you will be able to recognize poor design early, make informed architectural decisions, and confidently explain OOP concepts in interviews or professional discussions.
You will also gain a structured framework for evaluating design decisions, understanding coupling and cohesion, and choosing the right concept for the right situation. The goal is not just to understand definitions, but to develop design intuition that you can apply immediately in real-world software projects.
If you want to think in objects instead of memorizing keywords, this course is for you.