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 Michigan
Skills you'll gain: Public Health, Mitigation, Family Medicine, Health Equity, Program Evaluation, Data Collection, Research Design
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, Server Side, MongoDB, Back-End Web Development, Restful API, Full-Stack Web Development, Web Applications, Database Development, Frontend Integration, Web Development, JavaScript Frameworks, Database Management, Secure Coding, Application Programming Interface (API), Software Architecture, NoSQL, API Design, Authentications, Performance Tuning, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Creo Incubator
Skills you'll gain: Go To Market Strategy, Growth Strategies, Entrepreneurial Finance, Market Share, Ideation, Entrepreneurship, Market Analysis, User Experience, Strategic Marketing, Fundraising, Fundraising and Crowdsourcing, Forecasting, Lean Methodologies, Marketing Planning, Creative Problem-Solving, Business Planning, User Centered Design, Product Marketing, Target Market, Critical Thinking and Problem Solving
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Waste Minimization, Environmental Engineering, Sustainable Engineering, Civil Engineering, Environmental Regulations, Sustainable Technologies, Environmental Resource Management, Environmental Laws, Environmental Policy, Transportation Operations, Traffic Flow Optimization, Environmental Monitoring, Estimation, Internet Of Things, Emerging Technologies
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), jQuery, Javascript and jQuery, Web Design and Development, Javascript, Web Development, Animations, Front-End Web Development, Animation and Game Design, Web Applications, Visualization (Computer Graphics), Computer Graphics, Code Reusability
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Audit Working Papers, Financial Auditing, Document Management, Auditing, Audit Planning, Accounting Records, Compliance Auditing, Document Control, File Management, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Incident Management, Data Centers, Computer Security Incident Management, DevSecOps, Continuous Monitoring, System Monitoring, Threat Detection, Infrastructure Security, Microsoft Servers, IT Security Architecture, Information Technology Operations, Security Management, Payment Card Industry (PCI) Data Security Standards, Data Security, Information Systems Security, Windows Servers, IT Infrastructure, Security Information and Event Management (SIEM), Security Testing
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Mergers & Acquisitions, Legal Strategy, Commercial Laws, Governance, Legal Support, Legal Risk, Case Law, Corporate Finance, Civil Law, Equities, Organizational Structure, Analysis, Registration, Business, Law, Regulation, and Compliance
Intermediate · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Scientific Visualization, Data Visualization Software, Graphic and Visual Design, Statistical Visualization, Bioinformatics, Plot (Graphics), Ggplot2, Dimensionality Reduction, Scatter Plots, Design Elements And Principles, R Programming, Network Analysis, Heat Maps, Molecular Biology, Design Thinking, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Management, Database Administration, Data Maintenance, Database Architecture and Administration, Data Migration, Patch Management, Relational Databases, Database Design, Database Software, Database Management Systems, Data Integrity, Data Import/Export, SQL, Data Storage, Data Management, User Accounts, Data Storage Technologies
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Microsoft Word, Microsoft Office, Excel Macros, Microsoft Windows, Productivity Software, Document Management, Writing and Editing, Computer Literacy, Business Writing, Technical Documentation, Web Content, Proofreading, Collaborative Software, Writing, Collaboration, Editing, Web Content Accessibility Guidelines, Report Writing, Business Communication, Productivity
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Model Evaluation, Regression Analysis, Verification And Validation, Feature Engineering, Plot (Graphics), Statistical Methods, Statistical Modeling, Scatter Plots, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Time Series Analysis and Forecasting, Statistical Inference, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 4 Weeks