Object-Oriented Programming

Syllabus

1. Module 1

   Objects and Data Abstraction

   • Objects as State and Behavior
   • Classes, Instances, and Constructors
   • Fields, Methods, and Object Identity
   • Encapsulation and Representation Invariants
   • Designing Stable Public Interfaces

2. Module 2

   Class Relationships

   • Association, Aggregation, and Composition
   • Inheritance and Subtyping
   • Method Overriding and Dynamic Dispatch
   • Abstract Classes and Interfaces
   • Favoring Composition Over Inheritance

3. Module 3

   Polymorphic Design

   • Subtype Polymorphism
   • Parametric Polymorphism and Generics
   • Ad Hoc Polymorphism and Overloading
   • Behavioral Subtyping and the Liskov Principle
   • Designing Against Interfaces

4. Module 4

   Object Lifecycle and Resources

   • Construction Invariants
   • Object Ownership and Aliasing
   • Copying, Equality, and Hash Codes
   • Immutability and Value Objects
   • Resource Management and Deterministic Cleanup

5. Module 5

   Errors and Contracts

   • Exceptions as Part of an API
   • Checked and Unchecked Failure Models
   • Defensive Copying and Validation
   • Assertions, Preconditions, and Postconditions
   • Design by Contract in Object Systems

6. Module 6

   Collections and Generic Components

   • Generic Containers
   • Iterators and Iterable Protocols
   • Comparators and Ordering Strategies
   • Collection Views and Encapsulation
   • Covariance, Contravariance, and Type Safety

7. Module 7

   Design Principles and Patterns

   • Single Responsibility and Cohesion
   • Open–Closed and Dependency Inversion
   • Factory and Builder Patterns
   • Strategy, State, and Command Patterns
   • Observer, Adapter, and Decorator Patterns

8. Module 8

   Evolution of Object-Oriented Code

   • Unit Testing Object Collaborations
   • Test Doubles and Dependency Injection
   • Refactoring Class Structures
   • Recognizing Code Smells
   • Balancing Extensibility, Simplicity, and Performance