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.

University of Colorado Boulder
Skills you'll gain: Stakeholder Management, Engineering Management, Stakeholder Engagement, Negotiation, Stakeholder Communications, Mentorship, Leadership, Leadership and Management, Courage, Growth Mindedness, Leadership Development, Team Leadership, Organizational Leadership, Collaboration, Professional Development, Visionary, Personal Development, Lifelong Learning, Personal Integrity, Resilience
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Azure Synapse Analytics, Performance Tuning, Microsoft Azure, System Monitoring, Data Engineering, Transact-SQL, Continuous Deployment, Star Schema, Power BI, PySpark, Data Cleansing, Data Analysis Expressions (DAX), Apache Spark, Analytics, Data Analysis, SQL, Azure Active Directory, Advanced Analytics, Microsoft Copilot
Intermediate · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Diagnostic Tests, Bioinformatics, Computational Thinking, Model Evaluation, Molecular Biology, Infectious Diseases, Molecular, Cellular, and Microbiology, Medical Science and Research
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Cloud Deployment, Microsoft Azure, Cloud Management, Application Deployment, Cloud Computing, Cloud Development, Windows PowerShell, Cloud Services, Infrastructure As A Service (IaaS), Platform As A Service (PaaS), Resource Management, Command-Line Interface, IT Automation, Scripting, Software Installation, Verification And Validation
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: AI Security, Responsible AI, Incident Response, Computer Security Incident Management, Data Ethics, Generative AI, LLM Application, Large Language Modeling, Generative Model Architectures, Prompt Patterns, Threat Modeling, Security Testing, Cybersecurity, IT Security Architecture, Artificial Intelligence, Machine Learning, Security Management, MLOps (Machine Learning Operations), Agentic systems, Ethical Standards And Conduct
Beginner · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Lean Six Sigma, Process Mapping, Statistical Process Controls, Six Sigma Methodology, Process Flow Diagrams, Process Analysis, Lean Methodologies, Lean Manufacturing, Kaizen Methodology, Statistical Analysis, Quality Improvement, Statistical Methods, Quality Monitoring, Process Improvement, Process Capability, Process Improvement and Optimization, Quality Management, Continuous Quality Improvement (CQI), Project Management, Process Optimization
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Salesforce Development, Salesforce, User Accounts, User Provisioning, Customer Relationship Management (CRM) Software, No-Code Development, Application Development, Application Design, User Interface (UI), Cloud Technologies
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, Full-Stack Web Development, Web Applications, Authentications, Server Side, JavaScript Frameworks, Back-End Web Development, Restful API, Middleware, Database Application, Dataflow, Data Validation, NoSQL, TypeScript, Application Programming Interface (API), Object-Relational Mapping, Authorization (Computing), MongoDB, Databases, MySQL
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Javascript, Event-Driven Programming, Web Design and Development, Interactive Design, Web Applications, Interaction Design, Scripting, Web Development, Data Validation
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Front-End Web Development, Javascript, Responsive Web Design, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Innovation, Organizational Change, Change Management, Corporate Sustainability, Corporate Strategy, Business Transformation, Business Leadership, Process Management, Organizational Development, Growth Strategies, Business Strategy, Culture Transformation, Organizational Structure, Customer Analysis, Consumer Behaviour, Decision Making
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Financial Modeling, Variance Analysis, Key Performance Indicators (KPIs), Bookkeeping, Financial Forecasting, Revenue Forecasting, Budget Management, Financial Statement Analysis, Business Reporting, Performance Reporting, Financial Auditing, Capital Budgeting, Financial Controls, Financial Reporting, Operating Budget, Financial Analysis, Report Writing, Process Improvement, Banking Services, Financial Data
Intermediate · Specialization · 3 - 6 Months