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.

Skills you'll gain: WordPress, Content Management Systems, Web Design and Development, Blogs, Content Creation, Content Management, Business Marketing, Creativity
★ 4.3 (117) · Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Computer Vision, Model Evaluation, Supervised Learning, Image Analysis, Data Preprocessing, Applied Machine Learning, Machine Learning Methods, Feature Engineering, Machine Learning Algorithms, Data Processing, Model Training, Model Optimization, Machine Learning, Data Cleansing, Scikit Learn (Machine Learning Library), Machine Learning Software, Data Integration, Data Transformation, Classification Algorithms, Regression Analysis
★ 3.7 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: ServiceNow, Information Technology Infrastructure Library, IT Service Management, Problem Management, Service Management, Information Technology Operations, Digital Transformation, Change Control, Configuration Management, IT Management, IT Automation, Change Requests, Automation, Problem Solving, Data Integration, Design, Order Fulfillment
★ 4.3 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle SQL Developer, Oracle Databases, Data Integrity, Business Logic, Stored Procedure, SQL, Business Process Automation, Data Persistence, Database Design, Database Development, Performance Tuning, Relational Databases, Dependency Analysis, Database Management, Database Management Systems, Computational Thinking, Database Application, Web Services, Data Access, Programming Principles
★ 4.8 (56) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Systems Analysis, Communication Systems, Verification And Validation, Computational Logic, Systems Design, Process Modeling, System Design and Implementation, Data Modeling, Software Design, Network Protocols
★ 4.6 (13) · Advanced · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Semiconductors, Finite Element Methods, Medical Devices, Microarchitecture, Engineering Analysis, Mechanical Design, Process Flow Diagrams, Materials science, Laboratory Equipment, Electronics, Quality Assurance, Medical Equipment and Technology, Process Control, Biomedical Engineering, Product Testing, Manufacturing Processes, Electrical Engineering, Electronic Components, Computer Architecture, Mechanical Engineering
★ 4.9 (12) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Application Design, Application Development, UI Components, Event-Driven Programming, Integrated Development Environments, Java Programming, User Interface (UI), Java, User Interface (UI) Design, Application Frameworks
★ 4.4 (22) · Intermediate · Guided Project · Less Than 2 Hours

AI CERTs
Skills you'll gain: Data Analysis, Data Literacy, Data-Driven Decision-Making, Image Analysis, AI Integrations, Health Technology, Diagnostic Tests, Treatment Planning, Care Management, Clinical Practices
★ 4.3 (9) · Beginner · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: AI Personalization, Personalized Service, Operations Support Systems, Customer Analysis, Telecommunications, Customer Retention, Network Performance Management, Responsible AI, Wireless Networks, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Network Architecture, Computer Networking, Emerging Technologies, Digital Communications, Generative AI Agents, Generative AI, Network Protocols, System Design and Implementation, Communication
★ 4.5 (17) · Advanced · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Clinical Research, Clinical Trials, Pharmaceuticals, Pharmacology, Medical Science and Research, Epidemiology, Scientific Methods, Statistical Methods, Data-Driven Decision-Making, Regression Analysis, Logistic Regression
★ 4.6 (16) · Mixed · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Differentiated Instruction, Education and Training, Diversity Awareness, Cultural Diversity, Digital pedagogy, Special Education, Human Learning, Teaching, Pedagogy, Higher Education, Student-Centred Learning, Instructional Strategies, Social Justice, Socioeconomics
★ 4.5 (36) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Application Lifecycle Management, Power Apps Component Framework, Microsoft Power Platform, Power Platform Architecture & Technical Design, Azure DevOps Pipelines, Integration Testing, Microsoft Power Automate/Flow, Azure DevOps, Power Platform CLI, Microsoft Development Tools, DevOps, Enterprise Application Management, Application Deployment, Database Design, Development Environment, No-Code Development, Email Automation, Data Modeling, Microsoft Copilot, Power BI
Intermediate · Specialization · 1 - 3 Months