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.

Starweaver
Skills you'll gain: Generative AI Agents, CrewAI, AI Orchestration, Generative AI, Agentic Workflows, AI Workflows, Agentic systems, Prompt Patterns, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Artificial Intelligence, AI Integrations, Large Language Modeling, Model Deployment, Responsible AI, Retrieval-Augmented Generation, Application Deployment, Collaboration, Data Integration, Logical Reasoning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Data Validation, User Interface (UI) Design, User Interface (UI), Application Design, Application Development, UI Components, Usability, Verification And Validation, Interactive Design, Data Entry
★ 4.9 (20) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, HTML and CSS, Web Design, Frontend Performance, Usability, Web Design and Development, Test Tools, Hypertext Markup Language (HTML), Animations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Cloud API, Google Cloud Platform, Computer Vision, Machine Learning Methods, Application Programming Interface (API), Machine Learning
Intermediate · Project · Less Than 2 Hours

University of Pennsylvania
Skills you'll gain: Analysis, Case Studies, Business Analysis, Business, Strategic Thinking, Business Research, Business Strategies, Business Planning, Business Solutions, Program Evaluation, Project Design
★ 4.7 (7) · Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, Retrieval-Augmented Generation, AI Integrations, Model Deployment, Fine-tuning, Make.com, Generative Model Architectures, Generative AI Agents, LLM Application, Cloud Deployment, Model Training, Embeddings, Software Documentation, Key Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Case Studies, Fraud detection, Project Design, Project Risk Management, Project Planning, Business Ethics, Law, Regulation, and Compliance, Scalability, Content Strategy, Quality Assessment, Keyword Research, Search Engine Optimization, Content Creation
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Education Software and Technology, Teaching, Digital pedagogy, Graphic Design, Creativity
★ 4.5 (8) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Management, Data Centers, Security Management, Risk Management Framework
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LLM Application, 3D Assets, Animation and Game Design, Emerging Technologies, Generative AI Agents, Large Language Modeling, Generative AI, ChatGPT, Augmented and Virtual Reality (AR/VR), Prompt Engineering, Virtual Environment, AI powered creativity, AI literacy, Artificial Intelligence, AI Integrations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Planning, Software Testing, Debugging, Test Case, Issue Tracking, Functional Testing, Unit Testing, Software Quality Assurance, System Testing, Test Tools, Acceptance Testing, Software Quality (SQA/SQC), Integration Testing, Test Driven Development (TDD), Test Automation, Regression Testing, Quality Assurance, Waterfall Methodology, Agile Methodology, Python Programming
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Electronic Hardware, Electronics Engineering, Hardware Design, Electronic Components, Electronic Systems, Electronics, Schematic Diagrams, Electrical Engineering, Engineering Design Process, Diagram Design, Computer-Aided Design, Design Software, Verification And Validation, Simulation and Simulation Software, Thermal Management, Manufacturing and Production, Simulations
Intermediate · Course · 1 - 4 Weeks