Prototype Pattern Explained
Master the Prototype design pattern with TypeScript, Python, and Java examples. Learn shallow vs deep copy, prototype registries, and when cloning objects is better than creating new ones from scratch.
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Builder Pattern Explained
Master the Builder design pattern with practical TypeScript, Python, and Java implementations. Learn how to construct complex objects step by step, implement fluent interfaces, and avoid the telescoping constructor anti-pattern.
Factory and Abstract Factory Patterns Explained
Master the Factory Method and Abstract Factory design patterns with practical TypeScript, Python, and Java implementations. Learn when to use each pattern, how they differ, and real-world use cases in UI toolkits, cross-platform apps, and plugin systems.
Singleton Pattern: One Instance to Rule Them All
Master the Singleton design pattern with practical implementations in TypeScript, Python, and Java. Learn eager vs lazy initialization, thread safety, the anti-pattern debate, testing challenges, and modern alternatives like dependency injection.
SOLID Principles: Writing Clean, Maintainable Code
Master the five SOLID principles of object-oriented design. Learn Single Responsibility, Open/Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion with practical before/after examples in TypeScript, Python, and Java.
Polymorphism and Interfaces: One Interface, Many Forms
Master polymorphism and interfaces in object-oriented programming. Learn compile-time vs runtime polymorphism, method overloading and overriding, interface-based design, duck typing, and the Liskov Substitution Principle with practical examples in TypeScript, Python, and Java.
Inheritance and Composition: Code Reuse Strategies in OOP
Master inheritance and composition in object-oriented programming. Learn when to use 'is-a' vs 'has-a' relationships, method overriding, the super keyword, mixins, and why you should favor composition over inheritance with practical examples in TypeScript, Python, and Java.
Encapsulation and Information Hiding: Protecting Your Object's State
Master encapsulation in object-oriented programming. Learn how to protect object state, use access modifiers effectively, implement getters and setters with validation, create immutable objects, and avoid common encapsulation mistakes with practical examples in TypeScript, Python, and Java.
Classes, Objects, and Abstraction: Building Blocks of OOP
Master the fundamental building blocks of object-oriented programming. Learn the difference between classes and objects, dive deep into abstraction with abstract classes and interfaces, and understand constructors, static members, and access modifiers with practical examples.
The Four Pillars of OOP: Foundation of Object-Oriented Design
Master the four pillars of object-oriented programming: Encapsulation, Inheritance, Polymorphism, and Abstraction. Learn how these principles work together to create maintainable, scalable software with real-world examples in TypeScript, Python, and Java.