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 Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Dashboard, Tableau Software, Plot (Graphics), Dashboard Creation, Data Mapping, Graphing
★ 4.5 (1.4K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Electronic Medical Record System, Health Information Management and Medical Records, Electronic Medical Record, Health Informatics, Data Integrity, Data Validation, Medical Records, Data Quality, Health Information Management, Clinical Documentation, Issue Tracking, Clinical Informatics, Data Maintenance, Health Systems, Technical Communication, End User Training and Support, Patient Safety, Record Keeping, Problem Management, Technical Support
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OAuth, Spring Framework, API Gateway, Spring Boot, Microservices, Authentications, Application Programming Interface (API), Restful API, Software Architecture, API Design, Java, Software Development, Configuration Management, Authorization (Computing), Identity and Access Management, Solution Architecture, Software Visualization, Resilience, Network Routing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Architectural Design, Sustainable Development, Stormwater Management, Building Codes, Community Development, Sustainable Systems, Land Development, Public Works, Sustainable Architecture, Landscape Architecture, Transportation Operations, Civil Engineering, Land Management, Case Studies, Building Design, Economic Development, Sustainable Design, Sustainable Technologies, Environmental Science
★ 4.6 (523) · Intermediate · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Software Testing, Software Quality Assurance, Quality Assurance, Software Quality (SQA/SQC), Acceptance Testing, Test Case, Test Automation, Test Planning, Unit Testing, Software Development Life Cycle, Regression Testing, Test Driven Development (TDD), User Acceptance Testing (UAT), Software Engineering, Agile Methodology, Software Documentation, Information Assurance, Regression Analysis, Exploratory Data Analysis, Kanban Principles
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Data Storytelling, Dashboard, Dashboard Creation, Power BI, Data Presentation, Data Visualization, Interactive Data Visualization, Data Visualization Software, Microsoft Power Platform, Creative Design, Data-Driven Decision-Making, Data Analysis, Design, Design Elements And Principles, Geospatial Mapping
★ 4.4 (384) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Combinatorics, Network Analysis, Algorithms, Mathematical Modeling, Traffic Flow Optimization, Program Development
★ 4.5 (1.1K) · Beginner · Course · 1 - 3 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Test Driven Development (TDD), Unit Testing, JUnit, Program Development, Test Case, Test Automation, Software Testing, Testability, Maintainability, Software Design, Software Development, Object Oriented Design, Application Design, Programming Principles
★ 4.7 (419) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, File I/O, Automation, Digital Signal Processing, Anomaly Detection, Geospatial Information and Technology, Engineering Practices, Spatial Data Analysis, Medical Imaging, Mathematical Software, Spatial Analysis, Data Preprocessing, Environmental Monitoring, Quantitative Research, Scientific Visualization, Data Import/Export, Algorithms
★ 4.7 (262) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Anthropic Claude, Claude Code, Prompt Patterns, Context Engineering, AI literacy, Google Workspace, AI Enablement, AI Personalization, Office Administration, Vibe coding, Productivity Software, Workflow Management, Agentic Workflows, Administrative Support and Clerical Tasks, Business Workflow Analysis, OpenAI, AI Workflows, Generative AI Agents, Automation
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Institutional Review Board (IRB), Descriptive Statistics, Quantitative Research, Data Literacy, Scientific Methods, Graphing, Research Design, Statistical Visualization, Statistical Hypothesis Testing, Science and Research, Research Methodologies, Probability & Statistics, Research, Statistical Inference, Statistics, Statistical Analysis, Statistical Methods, Ethical Standards And Conduct, Data Analysis, Research and Design
★ 4.8 (299) · Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Overcoming Objections, Negotiation, Closing (Sales), Active Listening, Cooperation, Workplace inclusivity, Customer Analysis, Composure, Communication Strategies, Teamwork, Interpersonal Communications, Team Building, Communication, Conflict Management, Relationship Building, Collaboration, Strategic Partnership, Organizational Effectiveness, Leadership, Persuasive Communication
★ 4.8 (1.2K) · Intermediate · Specialization · 3 - 6 Months