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 Science and Technology of China
Skills you'll gain: Brainstorming, Creative Thinking, Creative Problem-Solving, Ideation, Problem Solving, Innovation, Adult Education, Productivity, Workflow Management, Social Sciences, Productivity Software, Collaboration, Quick Learning, Operational Efficiency, Learning Strategies, Lifelong Learning, Willingness To Learn, World History, Personal Development, Sociology
★ 4.3 (130) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Artificial Neural Networks, Applied Machine Learning, Deep Learning, Linear Algebra, Machine Learning, Digital Signal Processing, Data Processing, Data Structures, Data Transformation, Algorithms, Data Science
★ 3.3 (24) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, CI/CD, Full-Stack Web Development, MongoDB, Application Design, Continuous Integration, Application Deployment, Cloud Applications, React.js, DevOps, NoSQL, Databases, Database Management, Kubernetes, JavaScript Frameworks, Front-End Web Development, Software Architecture, Application Development, Authorization (Computing), Javascript
★ 4.7 (44) · Advanced · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Responsible AI, AI Security, Human Centered Design, Data Ethics, Model Evaluation, Artificial Intelligence, AI literacy, Data Preprocessing
★ 4.2 (57) · Beginner · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Scala Programming, Programming Principles, Theoretical Computer Science, Other Programming Languages, Computer Programming, Functional Design, Data Structures, Memory Management, System Implementation
★ 4.7 (18) · Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java
★ 4.1 (13) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Networking Hardware, Network Infrastructure, Network Routers, Network Switches, Network Architecture, Internet Of Things, General Networking, Network Administration, Infrastructure Security, Network Planning And Design, Network Security, Cloud-Based Integration, System Implementation, Cloud Computing
★ 4.7 (36) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Adobe Photoshop, Visual Storytelling, Adobe Creative Cloud, Photo Editing, AI powered creativity, Generative AI, Image Quality, Editing, Graphic and Visual Design, Data Import/Export, File Management, Design, Creative Thinking, Color Theory, Storytelling
★ 3.9 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce Development, Salesforce, Application Deployment, Workflow Management, Operational Efficiency, Dashboard, Data Access, Process Design, Application Design, Application Development, No-Code Development, User Accounts, User Provisioning, UI Components, Cloud Applications, Operational Excellence, Business Process Automation, Customer Relationship Management (CRM) Software, Business Logic, User Interface (UI)
★ 4.6 (14) · Beginner · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Exercise Science, Injury Prevention, Athletic Training, Physiology, Analytics, Data Analysis, Advanced Analytics, Data-Driven Decision-Making, Medical Equipment and Technology, Applied Machine Learning, Vital Signs, Health Technology, Python Programming, Sensory Systems Analysis, Data Integration, Data Validation, Verification And Validation
★ 4.5 (46) · Intermediate · Course · 1 - 3 Months

Universidade Estadual de Campinas
Skills you'll gain: Education Software and Technology, Computational Thinking, Programming Principles, Computer Programming, Computational Logic, Digital pedagogy, Robotics, Computer Programming Tools, Prototyping, Technical Design, Artificial Intelligence, Innovation, 3D Assets
★ 4.9 (108) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Docker (Software), ASP.NET, Integration Testing, Object-Relational Mapping, API Design, Identity and Access Management, Enterprise Architecture, Distributed Computing, Authorization (Computing), Database Development, Database Management, Dependency Analysis, Data Validation, Transaction Processing
★ 4.5 (6) · Intermediate · Specialization · 3 - 6 Months