Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Skills you'll gain: UI/UX Research, Data Presentation, Business Analysis, Customer Insights, Data Analysis, Scheduling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Data Processing, Real Time Data, Extract, Transform, Load, Data Transformation, JSON, SQL, Analytics, Data Storage Technologies
Advanced · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Vulnerability Assessments, Application Security, Blockchain, Security Testing, Network Security, Data Security, Cryptography, Transaction Processing, Malware Protection, Command-Line Interface, Encryption, Key Management, Scripting, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Angular, Application Design, Software Architecture, Software Design Patterns, Frontend Performance, JavaScript Frameworks, TypeScript, Scripting Languages, UI Components, Javascript, Application Performance Management, Data Sharing, Real Time Data
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Keyword Research, Research, Search Engine Optimization, Search Engine Marketing, User Research, Content Strategy, Web Analytics and SEO, AI Product Strategy, Content Creation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Modeling, Telecommuting, Collaborative Software, Business Planning, Business Development, Presentations, Entrepreneurship, Brainstorming, Business Strategy, Data Visualization
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Preprocessing, Tensorflow, Scikit Learn (Machine Learning Library), Machine Learning, Feature Engineering, Deep Learning, Convolutional Neural Networks, Matplotlib, Jupyter, Python Programming, NumPy, Data Manipulation, Artificial Neural Networks, Seaborn, Development Environment, Pandas (Python Package), Regression Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: Middleware, Web Services, Data Mapping, Simple Object Access Protocol (SOAP), Restful API, Software Technical Review, Application Development, Cloud Applications, Application Programming Interface (API), System Monitoring, Application Performance Management, Data Integration, Enterprise Application Management, Software Architecture, Business Process Automation, Performance Tuning, Scalability, Debugging, Application Security, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Web Content Accessibility Guidelines, Game Design, Front-End Web Development, Application Programming Interface (API), User Interface (UI), Web Components, Usability, JavaScript Frameworks, Web Development Tools, Web Frameworks, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Graphic and Visual Design, Graphic Design, Social Media Content, Social Media, Social Media Marketing, Content Creation, Facebook, Animations, Storytelling, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Generative AI, Transfer Learning, Generative Adversarial Networks (GANs), Generative Model Architectures, Applied Machine Learning, Small Data, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Machine Learning Methods, Computer Graphics, Machine Learning, Artificial Neural Networks, Image Analysis, Machine Learning Algorithms, Data Synthesis, Simulation and Simulation Software, Computer Vision, Simulations, 3D Modeling
Mixed · Course · 1 - 3 Months

Skills you'll gain: JavaScript Frameworks, Angular, Amazon Elastic Compute Cloud, Server Side, Development Testing, JSON, Maintainability
Intermediate · Course · 3 - 6 Months