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 California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), File I/O, Data Structures, Object Oriented Programming (OOP), Software Design Patterns, Debugging, Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Program Development, Integrated Development Environments, Graph Theory, Software Testing, Artificial Intelligence, Integration Testing, Software Design, System Design and Implementation
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: AI Security, Open Web Application Security Project (OWASP), Vulnerability Assessments, Vulnerability Management, Application Security, Security Controls, Secure Coding, Security Testing, Authentications, Threat Management, Dependency Analysis, Application Programming Interface (API), API Design, Risk Analysis, Data Validation, Supply Chain
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Culture, Interpersonal Communications, Media and Communications, Research, Persuasive Communication, Qualitative Research
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Data Structures, Feature Engineering, MLOps (Machine Learning Operations), Java, Performance Tuning, Data Processing, Applied Machine Learning, System Monitoring, Scalability, Performance Analysis, Performance Testing, Tree Maps, Benchmarking, Graph Theory, Program Implementation
Advanced · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Word, Microsoft Office, Microsoft 365, Document Management, Spreadsheet Software, Productivity Software, Microsoft Windows, Business Writing, Writing and Editing, Web Content, Technical Documentation, Writing, Report Writing, Collaborative Software, Editing, Productivity, Collaboration, Computer Literacy, Business Communication, Web Content Accessibility Guidelines
Mixed · Course · 1 - 3 Months

Skills you'll gain: Partnership Accounting, Liquidation, Financial Reporting, Securities (Finance), Technical Accounting, Legal Risk, Risk Analysis, Portfolio Risk, Accounting, Generally Accepted Accounting Principles (GAAP), Compliance Reporting, Investments, Capital Expenditure, Reconciliation, Balance Sheet, Case Studies, Financial Accounting, Finance, Financial Statements, Corporate Finance
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Application Lifecycle Management, Mobile Development, UI Components, Application Development, Application Programming Interface (API), Data Persistence, User Interface (UI), Web Services, Programming Principles, JSON, Data Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Data Storytelling, Data Presentation, Marketing Analytics, Marketing Effectiveness, Key Performance Indicators (KPIs), Data Visualization, Google Analytics, Performance Reporting, Consumer Behaviour, Business Reporting, Stakeholder Engagement, Performance Metric, Data Integration, Decision Making
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Prompt Engineering, User Story, New Product Development, Real-Time Operating Systems, Model Based Systems Engineering, Model Evaluation, Field-Programmable Gate Array (FPGA), Failure Analysis, Sustainable Business, Data Mining, Delegation Skills, Object Oriented Design, Sampling (Statistics), Proposal Writing, Supplier Management, Accountability, Data Ethics, Sustainability Reporting, Database Design, Sustainable Design
Earn a degree
Degree · 1 - 4 Years

Coursera
Skills you'll gain: Google Analytics, Web Analytics and SEO, Search Engine Optimization, Web Analytics, Content Performance Analysis, Keyword Research, Prioritization, Data Import/Export, Workflow Management, Content Strategy, Data Integration, User Research, Performance Metric
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Excel Formulas, Data Storytelling, Microsoft Excel, Dashboard, Pivot Tables And Charts, Power BI, Data-Driven Decision-Making, Microsoft Copilot, Spreadsheet Software, Data Literacy, Data Presentation, Data Visualization Software, Generative AI, Data Visualization, Data Analysis, Business Intelligence, Data Processing, Data Collection, Interactive Data Visualization, Business Metrics
Beginner · Specialization · 3 - 6 Months