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Here are some important points we should master:\n\n## 1. **Encapsulation**\n- **Definition:** Bundling the data (attributes) and the methods (functions) that manipulate the data into a single unit called a class.\n- **Benefits:** Protects the data from unauthorized access and modification, enhances modularity, and makes the code easier to manage.\n\n## 2. **Inheritance**\n- **Definition:** Mechanism by which one class (child/subclass) inherits the properties and behaviors (methods) of another class (parent/superclass).\n- **Benefits:** Promotes code reusability, reduces redundancy, and establishes a natural hierarchy between classes.\n\n## 3. **Polymorphism**\n- **Definition:** Ability to present the same interface for different data types. Methods can be overridden (run-time polymorphism) or overloaded (compile-time polymorphism).\n- **Benefits:** Enhances flexibility and integration, allows for one interface to be used for a general class of actions.\n\n## 4. **Abstraction**\n- **Definition:** Hiding the complex implementation details and showing only the essential features of the object.\n- **Benefits:** Simplifies the complexity of the system, helps in focusing on what an object does instead of how it does it.\n\n## 5. **Classes and Objects**\n- **Class:** Blueprint or template from which objects are created. Contains methods and attributes.\n- **Object:** Instance of a class. Represents a real-world entity with state and behavior.\n\n## 6. **Constructors and Destructors**\n- **Constructors:** Special methods called when an object is instantiated. Used for initializing the object's state.\n- **Destructors:** Special methods called when an object is destroyed. Used for cleanup activities.\n\n## 7. **Access Modifiers**\n- **Types:** Public, Private, Protected\n- **Purpose:** Controls the visibility and accessibility of class members.\n\n## 8. **Method Overriding vs. Overloading**\n- **Overriding:** Subclass provides a specific implementation for a method already defined in its superclass.\n- **Overloading:** Multiple methods with the same name but different parameters within the same class.\n\n## 9. **Design Patterns**\n- **Common Patterns:** Singleton, Factory, Observer, Strategy, etc.\n- **Importance:** Provides proven solutions to common problems, enhances code readability, and promotes best practices.\n\n## 10. **SOLID Principles**\n- **Single Responsibility Principle (SRP)**\n- **Open/Closed Principle (OCP)**\n- **Liskov Substitution Principle (LSP)**\n- **Interface Segregation Principle (ISP)**\n- **Dependency Inversion Principle (DIP)**\n- **Significance:** Helps in writing scalable, maintainable, and robust code.\n\n Keep this cheat sheet handy for a quick revision!\n\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnidhiupman568%2Fobject-oriented-programming-oops-","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnidhiupman568%2Fobject-oriented-programming-oops-","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnidhiupman568%2Fobject-oriented-programming-oops-/lists"}