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: Team Building, Resilience, Emotional Intelligence, Professional Development, Leadership, Team Management, Empathy & Emotional Intelligence, Conflict Management, Collaboration, Communication, Adaptability, Active Listening, Change Management
Beginner Ā· Course Ā· 1 - 4 Weeks
Universitat Autònoma de Barcelona
Skills you'll gain: Research Design, Experimentation, Research Reports, Research, Scientific Methods, Design Research, Usability Testing, Research Methodologies, UI/UX Research, Data Analysis, Report Writing, Data Ethics, User Research, Usability, Data Collection, Psychology
Beginner Ā· Course Ā· 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Search Engine Optimization, Web Analytics, Semantic Web, Performance Metric, Digital Marketing, Algorithms, Personalized Service, Text Mining, User Feedback, Natural Language Processing, User Research, Data Structures
Intermediate Ā· Course Ā· 3 - 6 Months

Skills you'll gain: Javascript, JSON, Event-Driven Programming, Web Development, Programming Principles, Web Applications, Data Structures, Application Deployment, Application Development, Debugging
Beginner Ā· Course Ā· 1 - 3 Months

Skills you'll gain: Frontend Performance, Restful API
Intermediate Ā· Course Ā· 1 - 3 Months

Edureka
Skills you'll gain: API Design, Application Programming Interface (API), Data Validation, Restful API, API Testing, Application Frameworks, Performance Tuning, Web Development, Software Versioning, Django (Web Framework), Software Documentation, Middleware, Node.JS, Scalability, JSON, Spring Boot, Test Automation
Beginner Ā· Course Ā· 1 - 4 Weeks

Edureka
Skills you'll gain: Web Development, System Programming, Web Applications
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Network Security, Wireless Networks, Network Performance Management, Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Ansible, Network Administration, Firewall, Software-Defined Networking, Network Planning And Design, Network Infrastructure, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption
Advanced Ā· Course Ā· 3 - 6 Months

Skills you'll gain: Mockups, Diagram Design, Web Design, Wireframing, Prototyping, Data Sharing, Usability, UI Components
Beginner Ā· Guided Project Ā· Less Than 2 Hours

Scrimba
Skills you'll gain: Node.JS, Web Frameworks, Server Side, Application Servers, Web Applications, Web Servers, Restful API, JSON, Middleware, API Design, Real Time Data, Routing Protocols
Beginner Ā· Course Ā· 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Executive Presence, Succession Planning, Organizational Structure, Diversity Equity and Inclusion Initiatives, Organizational Leadership, Engineering Management, Team Building, People Management, Team Leadership, Telecommuting, Business Leadership, Leadership, Leadership Development, Virtual Teams, Personal Development, Communication, Self-Awareness
Beginner Ā· Course Ā· 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, AI Personalization, Content Creation, Campaign Management, Keyword Research, Marketing, Generative AI Agents, Email Marketing, Digital Marketing, Search Engine Optimization, Artificial Intelligence and Machine Learning (AI/ML), Business Marketing, Content Marketing, ChatGPT, Social Media Marketing, Business Process Automation, Automation, Market Trend, Business, Business Management
Beginner Ā· Course Ā· 1 - 3 Months