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: File Systems, Operating Systems, File Management, Computer Programming Tools, Data Integrity, Debugging, File I/O, Systems Design, Data Storage Technologies, System Software, Distributed Computing, Data Storage, C (Programming Language), System Programming, Computer Systems, Data Persistence, Command-Line Interface, Hardware Architecture, Peripheral Devices, Data Security
★ 4.7 (76) · Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Web Services, Web Applications, Web Development, Application Development, Database Application, User Interface (UI), Python Programming, Application Design, Restful API, Database Development, Databases, User Interface (UI) Design, Scripting, Relational Databases, Object Oriented Programming (OOP), Computer Programming, Software Development, Scripting Languages, Object Oriented Design, Programming Principles
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Survey Creation, Surveys, Interviewing Skills, Data Collection, Research Design, Qualitative Research, Research, Peer Review, Statistical Analysis
Mixed · Course · 1 - 3 Months

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

Anthropic
Skills you'll gain: Prompt Engineering, AI Workflows, Agentic Workflows, Claude Code, Model Context Protocol, Retrieval-Augmented Generation, Anthropic Claude, Agentic systems, Application Programming Interface (API), Tool Calling, Context Management, Embeddings, Model Evaluation
★ 4.7 (62) · Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Manufacturing Processes, Manufacturing Operations, Verification And Validation, Prototyping, Materials science, Maintenance, Repair, and Facility Services, Data Import/Export, Software Configuration Management
★ 4.8 (68) · Beginner · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Matplotlib, Version Control, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Git (Version Control System), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Object-Relational Mapping, Hugging Face, Natural Language Processing, Data Visualization Software, Unit Testing, Statistical Visualization, Development Environment, Virtual Environment, Python Programming
★ 3.9 (24) · Intermediate · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Human Computer Interaction, Web Content Accessibility Guidelines, Human Factors, User Interface (UI), Usability, Interaction Design, Prototyping, User Interface and User Experience (UI/UX) Design, User Experience Design, User Experience, Human Centered Design, User Centered Design, User Interface (UI) Design, Responsive Web Design, Design Thinking, Usability Testing, Mockups, User Research, Wireframing, Information Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Usability Testing, Web Development, Software Testing, Test Tools, Front-End Web Development, Functional Testing, Test Automation, Continuous Monitoring, Development Testing, Computer Programming Tools, JavaScript Frameworks, WordPress
★ 4.5 (38) · Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Safety Standards, Safety Training, Construction, Maintenance, Repair, and Facility Services, Hazard Analysis, Safety Assurance, Hydraulics, Construction Engineering, Facility Repair And Maintenance, General Construction and Construction Labor, Plant Operations and Management, Equipment Design, Waste Minimization, Sustainable Engineering, Grading (Landscape), Civil Engineering, Personal protective equipment, Construction Management, Construction Estimating, Structural Engineering
★ 4.6 (19) · Advanced · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), TCP/IP, Network Administration, Network Switches, General Networking, Network Architecture, OSI Models, Network Routers, Network Planning And Design, Network Engineering, Local Area Networks, Networking Hardware, Computer Networking, Network Infrastructure, Network Model, Network Protocols, Command-Line Interface
Mixed · Course · 1 - 3 Months

Michigan State University
Skills you'll gain: Unity Engine, 3D Modeling, Color Theory, Animation and Game Design, 3D Assets, Animations, Game Design, Autodesk Maya, Video Game Development, Design Elements And Principles, Adobe Photoshop
★ 4.3 (73) · Intermediate · Course · 1 - 3 Months