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: Internet Of Things, Advanced Analytics, Analytics, Data-Driven Decision-Making, Data Processing, Robotics, Automation, Real Time Data, Network Security, Emerging Technologies, Security Strategy, Interoperability, Scalability
★ 4.6 (13) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Graphic and Visual Design Software, Graphic Design, Graphic and Visual Design, Design, Collaborative Software, Design Software, Content Creation, Google Workspace, User Accounts, Marketing
★ 4.8 (26) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Application Security, Security Testing, Software Development Methodologies, Configuration Management, Software Development, Software Configuration Management, Systems Development Life Cycle, Software Development Life Cycle, Package and Software Management, Software Testing, Security Engineering, API Testing, Application Programming Interface (API), Cloud Security, Process Driven Development, Risk Management Framework
★ 4.8 (42) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Climate Change Adaptation, Sustainable Systems, Sustainable Development, Stormwater Management, Water Sustainability, Sustainable Technologies, Community Development, Land Development, Mitigation, Case Studies, Economic Development, Climate Change Mitigation, Water Resource Management, Environmental Policy
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Reinforcement Learning, Google Cloud Platform, GitHub, Tensorflow, Machine Learning, Game Design
★ 3.7 (10) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Patch Management, Data Security, Cloud Security, Amazon Web Services, Data Governance, Cyber Governance, Cloud Management, Key Management, Encryption, IT Automation, Public Key Infrastructure, Configuration Management
★ 4.8 (8) · Intermediate · Course · 1 - 4 Weeks

S.P. Jain Institute of Management and Research
Skills you'll gain: Self-Awareness, Conflict Management, Personal Development, Emotional Intelligence, Personal Attributes, Interpersonal Communications, Collaboration, Relationship Building, Professional Development, Visionary, Leadership, Communication, Dealing With Ambiguity
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Interactive Design, User Interface (UI), Frontend Integration, User Interface (UI) Design, Event-Driven Programming, MySQL, Back-End Web Development, Application Development, Database Application, User Flows, Application Deployment, Front-End Web Development, Database Management, Databases, Database Management Systems, Program Development, Python Programming, Web Applications, Web Frameworks
★ 4.7 (79) · Intermediate · Specialization · 1 - 3 Months

STARWEAVER
Skills you'll gain: Prompt Engineering, Generative AI Agents, CrewAI, AI Orchestration, Prompt Engineering Tools, Agentic Workflows, AI Workflows, AI Personalization, Generative AI, Application Design, Kubernetes, Artificial Intelligence, Containerization, Enterprise Application Management, Docker (Software), System Monitoring, Agentic systems, MLOps (Machine Learning Operations), Python Programming, Engineering
Intermediate · Specialization · 3 - 6 Months

EDUCBA
★ 4.4 (16) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Flutter (Software), UI Components, Mobile Development, Google Cloud Platform, User Interface (UI), Application Development, Cross Platform Development, Web Development, Network Security
★ 4.1 (15) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Apache Airflow, Operational Databases, PostgreSQL, MySQL, Data Warehousing, Data Pipelines, Database Software, Extract, Transform, Load, Database Management Systems, Database Design, Data Maintenance, SQL, Data Architecture, Performance Tuning, Disaster Recovery, Data Security
★ 4.7 (19) · Advanced · Course · 1 - 3 Months