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.

Università di Napoli Federico II
Skills you'll gain: Robotics, Data Mapping, Model Optimization, Systems Thinking, Problem Solving, Analytical Skills
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Productivity Software, Intranet, Content Management Systems
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: ChatGPT, Podcasting, AI Product Strategy, Content Creation, Web Presence, Course Development, AI Enablement, Ideation, Content Development and Management, Entrepreneurship, Digital Assets, Artificial Intelligence, WordPress, Marketing Strategies, E-Commerce, Web Development, Digital Transformation, Digital Marketing, Writing, Business Acumen
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Modeling, Enterprise Resource Planning, Business Intelligence, Interactive Data Visualization, Data Store, Security Controls, Data Visualization Software, Dashboard Creation, Workflow Management, Business Workflow Analysis, Data Import/Export, Data Warehousing, Extract, Transform, Load, Data Processing, Data Integration, Data Wrangling, Project Implementation, Microsoft Excel, Data Transformation, Authorization (Computing)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Sarbanes Oxley Act (SOX) Compliance, Specialized Accounting, Compliance Reporting, Regulatory Requirements, Financial Regulations, Technical Accounting, Financial Reporting, Financial Statement Analysis, Generally Accepted Accounting Principles (GAAP), Financial Auditing, International Financial Reporting Standards, Securities (Finance), Investment Management, Financial Accounting, Financial Regulation, Legal Risk, Business Risk Management, Asset Protection, Organizational Structure, Consolidation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, Responsive Web Design, Cascading Style Sheets (CSS), jQuery, HTML and CSS, Hypertext Markup Language (HTML), Javascript and jQuery, Application Deployment, Web Design, Web Design and Development, Web Development, Semantic Web, Web Applications, UI Components, Front-End Web Development, Javascript, Data Validation, Payment Systems, Data Persistence
Mixed · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Server Side, Restful API, Ajax, Node.JS, Web Applications, Web Servers, Web Development, Back-End Web Development, Model View Controller, Javascript, PHP (Scripting Language), Application Programming Interface (API), Authentications, JSON, Hypertext Markup Language (HTML), Software Architecture, Real Time Data, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), CI/CD, Robotics, LLM Application, Continuous Integration, Artificial Intelligence, Large Language Modeling, Agentic Workflows, Continuous Deployment, Agentic systems, Deep Learning, Machine Learning Methods, Python Programming, Software Visualization, Application Deployment, Test Automation, Visualization (Computer Graphics), Debugging, C (Programming Language)
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Delegation Skills, Accountability Frameworks, People Development, Team Performance Management, Management Training And Development, Follow Through, Team Building, Accountability, Constructive Feedback, Team Management, Leadership Development, Team Leadership, Leadership, Empowerment, Project Implementation, Project Design, Productivity, Performance Improvement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Threat Management, MITRE ATT&CK Framework, Application Security, Cybersecurity, Security Controls, Security Strategy, Open Web Application Security Project (OWASP), Systems Development Life Cycle, Cloud Security
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Unit Testing, Angular, Software Testing, Development Testing, Test Case, Frontend Performance, Software Architecture, Software Design, Application Programming Interface (API), Restful API, Frontend Integration, Performance Tuning, Enterprise Architecture, Authentications, Authorization (Computing), Scalability, Dataflow, TypeScript, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Content Scheduling, Social Media Management, Social Media Content, Social Media, Facebook, Instagram, Social Media Marketing, Performance Analysis, Content Management, Analysis, Scheduling, Content Creation, Content Marketing, Dashboard, Marketing
Beginner · Guided Project · Less Than 2 Hours