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.

Coursera
Skills you'll gain: Pinterest, Shared Media, Professional Networking, Visual Storytelling, Organizational Skills, User Accounts, Social Media, Collaboration, Project Portfolio Management, Brainstorming, Ideation, Driving engagement, Research
★ 4.4 (7) · Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Migration, Database Administration, NoSQL, Cloud Management, Database Development, Database Management, Cloud Applications, Database Architecture and Administration, Cloud Development, Operational Databases, Relational Databases, Dataflow, Terraform, Database Design, Query Languages, Data Pipelines, Distributed Computing, Performance Tuning, Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Tool Calling, OAuth, Model Context Protocol, AI Orchestration, AI Integrations, Generative AI Agents, Interoperability, Agentic Workflows, Application Programming Interface (API), Agentic systems, Authentications, Real Time Data, Data Persistence, Context Management, Software Design Patterns, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Writing, Writing and Editing, Graphic Design, Graphic and Visual Design Software, Graphic and Visual Design, Design Software, Layout Design, Design, Creative Design, Visual Design, Design Elements And Principles, Recruitment
Beginner · Guided Project · Less Than 2 Hours

Alfaisal University | KLD
Skills you'll gain: Organizational Change, Leadership Studies, Team Oriented, Team Building, Organizational Leadership, Organizational Development, Team Performance Management, Industrial and Organizational Psychology, Change Management, Organizational Effectiveness, Behavior Management, Forecasting, Goal Setting
★ 4.6 (14) · Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: API Testing, Performance Testing, Performance Stress Testing, Test Script Development, Application Programming Interface (API), Test Tools, Software Testing, Test Planning, Scenario Testing, System Testing, Scripting, Simulations, Scalability, Software Installation
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Project Management Life Cycle, Project Closure, Project Implementation, Project Management, Project Coordination, Project Scoping, Project Risk Management, Plan Execution, Project Design, Project Schedules, Project Controls, Change Control, Project Planning, Cost Management, Work Breakdown Structure, Project Estimation, Communication Planning, Project Documentation, Scheduling
Mixed · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Systems Thinking, Complex Problem Solving, Policy Analysis, Research, and Development, Policy Analysis, Policy Development, Economics, Policy, and Social Studies, Public Policies, Health Policy, Climate Change Programs, Program Evaluation, Sustainable Development, Agentic systems, Environmental Issue, Social Sciences, Human Services, Economics, Ethical Standards And Conduct, Data Storytelling
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Verification And Validation, Python Programming, Data Manipulation, Programming Principles, Scripting, Scripting Languages, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks
The Hong Kong University of Science and Technology
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Vibe coding, HTML and CSS, Web Design and Development, AI literacy, Generative AI, Web Development, Web Applications, Python Programming, Data Analysis, Data Mining, AI Workflows, Simulations, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Dashboard Creation, Spreadsheet Software, Performance Reporting, Business Intelligence, Business Analytics, Business Reporting, Data Preprocessing
★ 5 (13) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Motion Graphics, UI/UX Strategy, Animations, User Interface and User Experience (UI/UX) Design, Usability, User Experience, Interaction Design, User Experience Design, User Interface (UI), User Interface (UI) Design, Prototyping, Cascading Style Sheets (CSS), User Flows, Web Content Accessibility Guidelines, Style Guides, Design Elements And Principles
Intermediate · Course · 1 - 3 Months