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.

Coursera
Skills you'll gain: Google Ads, Online Advertising, Search Engine Marketing, Campaign Management, Keyword Research, Advertising Campaigns, Advertising, Pay Per Click Advertising, Digital Advertising, Marketing, Bidding, Digital Marketing, Budget Management, Marketing Strategies, Performance marketing, Goal Setting
Beginner · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Java, Object Oriented Programming (OOP), Education Software and Technology, Computer Programming, Digital pedagogy, Program Development, Debugging, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, API Design, API Testing, Spring Boot, Authentications, Test Automation, JSON, Application Programming Interface (API), Test Script Development, Application Deployment, Spring Framework, Object-Relational Mapping, Test Case, Software Quality Assurance, Business Logic, Back-End Web Development, Software Engineering, Data Modeling, Java Programming, Java
Beginner · Specialization · 1 - 3 Months

Skillshare
Skills you'll gain: Unreal Engine, Adobe After Effects, Motion Graphics, Animations, Multimedia, 3D Modeling, 3D Assets, Animation and Game Design, Logo Design, Cinematography, Video Editing, Computer Graphics, Adobe Illustrator, Visualization (Computer Graphics), Adobe Photoshop, Post-Production, Storyboarding, Photo/Video Production and Technology, Creative Design, Typography
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Surveys, Statistical Hypothesis Testing, Quantitative Research, Statistical Analysis, Marketing Analytics, Market Research, Data Analysis, Marketing, Target Market, Market Analysis, Regression Analysis, Sample Size Determination, Quality Control
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Educational Materials, Web Content Accessibility Guidelines, Disabilities, Adaptive Equipment, Instructional Design, Differentiated Instruction, Education Software and Technology, Case Studies, Curriculum Development, Student Support and Services, Diversity Awareness, Higher Education
Mixed · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Public Speaking, Lecturing, Presentations, Storytelling, Communication, Verbal Communication Skills, Communication Strategies, Verbal Strategic Communication, Concision, Goal-Oriented, Planning
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Logo Design, Video Editing, Graphic Design, Graphic and Visual Design, Content Creation, Design, User Accounts, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Application Deployment, Integration Testing, Object-Relational Mapping, API Design, ASP.NET, Database Design, Enterprise Architecture, Docker (Software), Database Systems, Systems Integration, Data Validation, Business Logic, Development Environment
Intermediate · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Capital Budgeting, Microsoft Excel, Dashboard, Financial Modeling, Business Intelligence, Data Visualization, Key Performance Indicators (KPIs), Productivity Software, Excel Formulas, Spreadsheet Software, Data Presentation, Interactive Data Visualization, Data Analysis Expressions (DAX), Financial Analysis, Data-Driven Decision-Making, Google Sheets, Financial Management, Cash Flows, Timelines, Mortgage Loans
Build toward a degree
Intermediate · Course · 1 - 3 Months

Lund University
Skills you'll gain: Radiation Therapy, electromagnetics, High Voltage, Medical Devices, Engineering, Scientific, and Technical Instruments, Electrical Engineering, Electronics, Electronics Engineering, Medical Equipment and Technology, Physics, Equipment Design, Electrical Power, Materials science, Simulation and Simulation Software, Mathematical Modeling
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blogs, Content Management Systems, Search Engine Optimization, Web Analytics and SEO, Keyword Research, Web Content
Beginner · Guided Project · Less Than 2 Hours