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.

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, Application Development, Application Design, No-Code Development, Data Ethics, Artificial Intelligence, Product Development, Design and Product, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Business Ethics, Ethical Standards And Conduct, Personal Development, Marketing Design, Product Marketing, Marketing Automation, Marketing, Business Marketing, Digital Marketing
★ 4.5 (11) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Financial Statements, Business Planning, Organizational Structure, Balance Sheet, Income Statement, Financial Analysis, Customer Analysis, Business Strategy, Organizational Effectiveness, Business Strategies, Business Management, Target Market, Financial Planning, Consumer Behaviour, Cost Accounting, Management Accounting, Cash Flow Forecasting, Market Analysis
★ 4.7 (118) · Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Child Health, Maternal Health, Health Promotion, Health Disparities, Social Determinants Of Health, Public Health, Health Equity, Nutrition Education, Community Health, Postpartum Care, Health Policy, Patient Education And Counseling, Infant Care, Family Support, Diversity Awareness, Economics, Policy, and Social Studies, Surveys, Educational Materials, Environmental Issue, Peer Review
★ 4.8 (17) · Beginner · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Sustainable Development, Cooperation, Discussion Facilitation, Collaboration, Environmental Issue, Community Development, Creative Thinking, Climate Change Programs, Cultural Responsiveness, Community Outreach, Climate Change Adaptation, Environmental Policy, Advocacy, Climate Change Mitigation, Education and Training, Diplomacy, Coordination
★ 4.6 (45) · Beginner · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Data Literacy, Statistical Visualization, Infographics, Graphic and Visual Design, Data Modeling, Human Factors, Color Theory, Design Elements And Principles, Graphing
★ 4.6 (22) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Sampling (Statistics), Program Evaluation, Data Management, Data Collection, Data Analysis, Data Cleansing, Quantitative Research, Data Quality, Research Design, Sample Size Determination, Interviewing Skills, Data Mapping, Data Ethics, Business Analysis Tools
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Architecture, Wireless Networks, Emerging Technologies, Network Engineering, Network Planning And Design, Network Infrastructure, Network Performance Management, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML), Distributed Computing, Technology Strategies
★ 4.4 (29) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Data Science, Statistical Machine Learning, Data-Driven Decision-Making, R Programming, Statistical Inference, Applied Machine Learning, Machine Learning, Statistical Methods, R (Software), Data Analysis
★ 4.5 (39) · Beginner · Guided Project · Less Than 2 Hours

American Council on Exercise
Skills you'll gain: Selling Techniques, General Sales Practices, Sales Strategy, Exercise Science, Sales, Goal Setting, Health And Wellness Coaching, Customer Retention, Sales Prospecting, Smart Goals, Nutrition and Diet, Client Services, Customer Acquisition Management, Nutrition Education, Patient Education And Counseling, Workplace inclusivity, Motivational Interviewing, Kinesiology, Safety Assurance, Health Education
★ 4.1 (21) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Azure, C# (Programming Language), Cloud Storage, Cloud Development, Cloud Applications, Distributed Computing, Communication Systems, Event-Driven Programming, Communication, Real Time Data, Data Management
★ 4.6 (39) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Analysis, Statistical Analysis, Query Languages, Data Visualization Software, Statistical Methods, Data Presentation, Ad Hoc Reporting, Continuous Monitoring
★ 4.9 (140) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: C++ (Programming Language), Data Structures, File I/O, C and C++, Data Cleansing, Data Integrity
★ 4.6 (49) · Intermediate · Guided Project · Less Than 2 Hours