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 Minnesota
Skills you'll gain: Software Testing, JUnit, Verification And Validation, Unit Testing, System Testing, Test Case, Test Automation, Development Testing, Test Planning, White-Box Testing, Code Coverage, Software Quality Assurance, Functional Testing, Test Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Timelines, Project Schedules, Project Management Software, Stakeholder Communications, Sprint Planning, Stakeholder Management, Productivity, Project Management, Agile Project Management, Backlogs, Project Scoping, Estimation, Project Planning, User Story, Productivity Software, Scheduling
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Machine Controls, Control Systems, Embedded Software, Laboratory Experience, Electronic Systems, Embedded Systems, Power Electronics, Electronic Hardware, Three-Phase, Electrical Equipment, Hardware Design, Electrical Engineering, Electrical Systems, Electronics, Electrical Power, Basic Electrical Systems, Automation Engineering, Integration Testing, Electronic Components, Torque (Physics)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Storytelling, Content Performance Analysis, Storyboarding, Video Production, Photo/Video Production and Technology, Benchmarking, Search Engine Optimization, Video Editing, Drive Engagement, Content Strategy, Live Streaming, Keyword Research, Driving engagement, Performance Analysis, Marketing Analytics, Logo Design, Social Media Management, Web Analytics and SEO, Content Development and Management, Marketing
Beginner · Specialization · 3 - 6 Months
Duke University
Skills you'll gain: Data Storytelling, Dashboard, Tableau Software, Data Visualization, Business Analytics, Business Process, Business Process Improvement, Presentations, Data Visualization Software, Data Analysis, Visualization (Computer Graphics), Stakeholder Communications, Data Manipulation
Mixed · Course · 1 - 3 Months

IE Business School
Skills you'll gain: Survey Creation, Surveys, Marketing Planning, Market Research, Business Research, Product Marketing, Consumer Behaviour, Value Propositions, Market Analysis, Marketing, Business Planning, Marketing Channel, Peer Review, Case Studies, Product Strategy, Target Market, Research Design, Data Analysis, Marketing Communications, Marketing Strategies
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Virtual Machines, Verification And Validation, Program Development, Data Preprocessing, Python Programming, Debugging, Maintainability, Programming Principles, Application Development, Scripting, Scripting Languages, Computer Programming, Software Installation, Development Environment, Software Development, Computer Programming Tools, Functional Design, Cross Platform Development
Beginner · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Web Development Tools, Web Development, Hypertext Markup Language (HTML), HTML and CSS, Web Design and Development, Web Applications, Web Design, Web Servers, Development Environment, Apache, Software Development, Web Content, Front-End Web Development, Semantic Web, Information Architecture
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Database Application, Full-Stack Web Development, Web Applications, Model View Controller, Authentications, Business Logic, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: jQuery, Front-End Web Development, User Interface (UI) Design, Event-Driven Programming, Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: TCP/IP, Local Area Networks, Routing Protocols, Network Routing, Digital Communications, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Network Planning And Design, Network Security, Network Architecture, Computer Networking, Network Infrastructure, Network Performance Management, Wireless Networks, Graph Theory, Telecommunications, Software-Defined Networking, Algorithms, System Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apple iOS, iOS Development, Swift Programming, Application Lifecycle Management, Mobile Development, UI Components, Application Development, Application Programming Interface (API), Data Persistence, User Interface (UI), Web Services, Programming Principles, JSON, Data Modeling
Intermediate · Course · 1 - 3 Months