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.

École Polytechnique
Skills you'll gain: Electrical Power, Electrical Systems, Electric Power Systems, Energy and Utilities, Environmental Issue, Sustainable Systems, Technology Solutions, Network Planning And Design
★ 4.5 (33) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Database Management, Database Development, Databases, Relational Databases, Database Application, Database Design, Query Languages, Data Access, Java, Java Programming, UI Components, User Interface (UI), Transaction Processing, Event-Driven Programming, Software Development
★ 4.3 (38) · Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Microbiology, Epidemiology, Public Health and Disease Prevention, Public Health, Infectious Diseases, Environmental Science, Environment Health And Safety, Investigation, Environment, Environmental Monitoring, Laboratory Testing, Anthropology, Qualitative Research, Research Design, Research Methodologies, Data Collection
★ 4.8 (42) · Mixed · Course · 1 - 3 Months

Duke University
Skills you'll gain: Strategic Decision-Making, Dealing With Ambiguity, Performance Metric, Decisiveness, Performance Analysis, Performance Measurement, Adaptability, Customer Demand Planning, Decision Making, Dashboard, Strategic Thinking, Data-Driven Decision-Making, Market Opportunities, Data Strategy, Business Analytics, Data Science, Data Analysis, Operational Efficiency, Risk Management, Change Management
★ 4.4 (58) · Intermediate · Specialization · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Stakeholder Management, Stakeholder Engagement, Work Breakdown Structure, Conflict Management, Project Planning, Project Scoping, Organizational Structure, Project Management, Planning, Project Management Life Cycle, Project Documentation, Stakeholder Communications, Stakeholder Analysis, Leadership and Management, Influencing
★ 4.9 (70) · Mixed · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Computer Graphics, Image Analysis, 3D Modeling, Medical Imaging, Computer Vision, Automation Engineering, Mathematical Modeling, Estimation, Algorithms
★ 4.9 (44) · Beginner · Course · 1 - 3 Months

Board Infinity
★ 4 (69) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Java, Java Programming, Software Development Tools, Software Development Life Cycle, Program Development, Computer Programming Tools, Computer Programming, Development Environment, Software Development, Programming Principles, Integrated Development Environments, Software Installation, Command-Line Interface, Linux Commands
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Wireframing, Persona (User Experience), User Interface (UI), User Experience Design, Usability, User Interface (UI) Design, UI Components, Visual Design, Persona Development, Information Architecture, Web Design, Design, Design Elements And Principles
★ 4.4 (7) · Beginner · Guided Project · Less Than 2 Hours

Peking University
Skills you'll gain: Social Sciences, Research Methodologies, Science and Research, Research, Scientific Methods, Surveys, Experimentation, Data Collection, Research Design, Research Reports, Economics, Policy, and Social Studies, Sample Size Determination, Social Studies, Institutional Review Board (IRB), Survey Creation, Probability & Statistics
★ 4.7 (52) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft SQL Servers, SQL, Database Development, Database Software, Database Design, Database Theory, Stored Procedure, Databases, Relational Databases, Transact-SQL, Database Systems, Database Architecture and Administration, Query Languages, Data Integrity, Microsoft Development Tools, Scripting, Authentications, User Accounts
★ 4.9 (7) · Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Compensation Analysis, Compensation Management, Compensation Strategy, Compensation and Benefits, Benefits Administration, Labor Compliance, Regulatory Compliance, Labor Law, Communication Planning, Communication Strategies, Benchmarking, Equities
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks